Home / 71,840-157,056

Finding the Third Proportional to 71,840 and 157,056

Calculator

Solution

The third proportional to 71,840 and 157,056 is: 343,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,840 : 157,056 = 157,056 : x
  2. Step 2: Convert to fraction form
    71,840/157,056 = 157,056/x
  3. Step 3: Cross multiply
    71,840x = 157,056 × 157,056
  4. Step 4: Simplify right side
    71,840x = 24,666,587,136
  5. Step 5: Solve for x
    x = 24,666,587,136/71,840
  6. Step 6: Final answer
    x = 343,354.50

Related Problems

Find third proportional to 35,920 and 78,528
Half scale
Find third proportional to 143,680 and 314,112
Double scale
Find third proportional to 71,842 and 157,060
Similar ratio
Find third proportional to 107,760 and 235,584
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.