Home / 272,925,776-390,287,074

Finding the Third Proportional to 272,925,776 and 390,287,074

Calculator

Solution

The third proportional to 272,925,776 and 390,287,074 is: 558,115,112.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,925,776 : 390,287,074 = 390,287,074 : x
  2. Step 2: Convert to fraction form
    272,925,776/390,287,074 = 390,287,074/x
  3. Step 3: Cross multiply
    272,925,776x = 390,287,074 × 390,287,074
  4. Step 4: Simplify right side
    272,925,776x = 152,324,000,131,481,472
  5. Step 5: Solve for x
    x = 152,324,000,131,481,472/272,925,776
  6. Step 6: Final answer
    x = 558,115,112.34

Related Problems

Find third proportional to 136,462,888 and 195,143,537
Half scale
Find third proportional to 545,851,552 and 780,574,148
Double scale
Find third proportional to 272,925,778 and 390,287,077
Similar ratio
Find third proportional to 409,388,664 and 585,430,611
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.