Home / 71,468-157,120

Finding the Third Proportional to 71,468 and 157,120

Calculator

Solution

The third proportional to 71,468 and 157,120 is: 345,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,468 : 157,120 = 157,120 : x
  2. Step 2: Convert to fraction form
    71,468/157,120 = 157,120/x
  3. Step 3: Cross multiply
    71,468x = 157,120 × 157,120
  4. Step 4: Simplify right side
    71,468x = 24,686,694,400
  5. Step 5: Solve for x
    x = 24,686,694,400/71,468
  6. Step 6: Final answer
    x = 345,423.05

Related Problems

Find third proportional to 35,734 and 78,560
Half scale
Find third proportional to 142,936 and 314,240
Double scale
Find third proportional to 71,470 and 157,124
Similar ratio
Find third proportional to 107,202 and 235,680
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.