Home / 457,510-660,019

Finding the Third Proportional to 457,510 and 660,019

Calculator

Solution

The third proportional to 457,510 and 660,019 is: 952,165.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,510 : 660,019 = 660,019 : x
  2. Step 2: Convert to fraction form
    457,510/660,019 = 660,019/x
  3. Step 3: Cross multiply
    457,510x = 660,019 × 660,019
  4. Step 4: Simplify right side
    457,510x = 435,625,080,361
  5. Step 5: Solve for x
    x = 435,625,080,361/457,510
  6. Step 6: Final answer
    x = 952,165.16

Related Problems

Find third proportional to 228,755 and 330,009.50
Half scale
Find third proportional to 915,020 and 1,320,038
Double scale
Find third proportional to 457,512 and 660,022
Similar ratio
Find third proportional to 686,265 and 990,028.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.