Home / 64,489-99,650

Finding the Third Proportional to 64,489 and 99,650

Calculator

Solution

The third proportional to 64,489 and 99,650 is: 153,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,489 : 99,650 = 99,650 : x
  2. Step 2: Convert to fraction form
    64,489/99,650 = 99,650/x
  3. Step 3: Cross multiply
    64,489x = 99,650 × 99,650
  4. Step 4: Simplify right side
    64,489x = 9,930,122,500
  5. Step 5: Solve for x
    x = 9,930,122,500/64,489
  6. Step 6: Final answer
    x = 153,981.65

Related Problems

Find third proportional to 32,244.50 and 49,825
Half scale
Find third proportional to 128,978 and 199,300
Double scale
Find third proportional to 64,491 and 99,653
Similar ratio
Find third proportional to 96,733.50 and 149,475
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.