Home / 310,872-472,384.50

Finding the Third Proportional to 310,872 and 472,384.50

Calculator

Solution

The third proportional to 310,872 and 472,384.50 is: 717,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,872 : 472,384.50 = 472,384.50 : x
  2. Step 2: Convert to fraction form
    310,872/472,384.50 = 472,384.50/x
  3. Step 3: Cross multiply
    310,872x = 472,384.50 × 472,384.50
  4. Step 4: Simplify right side
    310,872x = 223,147,115,840.25
  5. Step 5: Solve for x
    x = 223,147,115,840.25/310,872
  6. Step 6: Final answer
    x = 717,810.28

Related Problems

Find third proportional to 155,436 and 236,192.25
Half scale
Find third proportional to 621,744 and 944,769
Double scale
Find third proportional to 310,874 and 472,388
Similar ratio
Find third proportional to 466,308 and 708,576.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.