Home / 37,720-78,537

Finding the Third Proportional to 37,720 and 78,537

Calculator

Solution

The third proportional to 37,720 and 78,537 is: 163,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,720 : 78,537 = 78,537 : x
  2. Step 2: Convert to fraction form
    37,720/78,537 = 78,537/x
  3. Step 3: Cross multiply
    37,720x = 78,537 × 78,537
  4. Step 4: Simplify right side
    37,720x = 6,168,060,369
  5. Step 5: Solve for x
    x = 6,168,060,369/37,720
  6. Step 6: Final answer
    x = 163,522.28

Related Problems

Find third proportional to 18,860 and 39,268.50
Half scale
Find third proportional to 75,440 and 157,074
Double scale
Find third proportional to 37,722 and 78,541
Similar ratio
Find third proportional to 56,580 and 117,805.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.