Home / 315,416-472,655.50

Finding the Third Proportional to 315,416 and 472,655.50

Calculator

Solution

The third proportional to 315,416 and 472,655.50 is: 708,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,416 : 472,655.50 = 472,655.50 : x
  2. Step 2: Convert to fraction form
    315,416/472,655.50 = 472,655.50/x
  3. Step 3: Cross multiply
    315,416x = 472,655.50 × 472,655.50
  4. Step 4: Simplify right side
    315,416x = 223,403,221,680.25
  5. Step 5: Solve for x
    x = 223,403,221,680.25/315,416
  6. Step 6: Final answer
    x = 708,281.20

Related Problems

Find third proportional to 157,708 and 236,327.75
Half scale
Find third proportional to 630,832 and 945,311
Double scale
Find third proportional to 315,418 and 472,658
Similar ratio
Find third proportional to 473,124 and 708,983.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.