Home / 272,925,760-390,287,058

Finding the Third Proportional to 272,925,760 and 390,287,058

Calculator

Solution

The third proportional to 272,925,760 and 390,287,058 is: 558,115,099.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,925,760 : 390,287,058 = 390,287,058 : x
  2. Step 2: Convert to fraction form
    272,925,760/390,287,058 = 390,287,058/x
  3. Step 3: Cross multiply
    272,925,760x = 390,287,058 × 390,287,058
  4. Step 4: Simplify right side
    272,925,760x = 152,323,987,642,295,360
  5. Step 5: Solve for x
    x = 152,323,987,642,295,360/272,925,760
  6. Step 6: Final answer
    x = 558,115,099.29

Related Problems

Find third proportional to 136,462,880 and 195,143,529
Half scale
Find third proportional to 545,851,520 and 780,574,116
Double scale
Find third proportional to 272,925,762 and 390,287,061
Similar ratio
Find third proportional to 409,388,640 and 585,430,587
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.