Home / 35,712-78,430

Finding the Third Proportional to 35,712 and 78,430

Calculator

Solution

The third proportional to 35,712 and 78,430 is: 172,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712 : 78,430 = 78,430 : x
  2. Step 2: Convert to fraction form
    35,712/78,430 = 78,430/x
  3. Step 3: Cross multiply
    35,712x = 78,430 × 78,430
  4. Step 4: Simplify right side
    35,712x = 6,151,264,900
  5. Step 5: Solve for x
    x = 6,151,264,900/35,712
  6. Step 6: Final answer
    x = 172,246.44

Related Problems

Find third proportional to 17,856 and 39,215
Half scale
Find third proportional to 71,424 and 156,860
Double scale
Find third proportional to 35,714 and 78,434
Similar ratio
Find third proportional to 53,568 and 117,645
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.