Home / 305,888-660,976

Finding the Third Proportional to 305,888 and 660,976

Calculator

Solution

The third proportional to 305,888 and 660,976 is: 1,428,265.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,888 : 660,976 = 660,976 : x
  2. Step 2: Convert to fraction form
    305,888/660,976 = 660,976/x
  3. Step 3: Cross multiply
    305,888x = 660,976 × 660,976
  4. Step 4: Simplify right side
    305,888x = 436,889,272,576
  5. Step 5: Solve for x
    x = 436,889,272,576/305,888
  6. Step 6: Final answer
    x = 1,428,265.48

Related Problems

Find third proportional to 152,944 and 330,488
Half scale
Find third proportional to 611,776 and 1,321,952
Double scale
Find third proportional to 305,890 and 660,980
Similar ratio
Find third proportional to 458,832 and 991,464
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.