Home / 71,045-102,639

Finding the Third Proportional to 71,045 and 102,639

Calculator

Solution

The third proportional to 71,045 and 102,639 is: 148,282.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,045 : 102,639 = 102,639 : x
  2. Step 2: Convert to fraction form
    71,045/102,639 = 102,639/x
  3. Step 3: Cross multiply
    71,045x = 102,639 × 102,639
  4. Step 4: Simplify right side
    71,045x = 10,534,764,321
  5. Step 5: Solve for x
    x = 10,534,764,321/71,045
  6. Step 6: Final answer
    x = 148,282.98

Related Problems

Find third proportional to 35,522.50 and 51,319.50
Half scale
Find third proportional to 142,090 and 205,278
Double scale
Find third proportional to 71,047 and 102,642
Similar ratio
Find third proportional to 106,567.50 and 153,958.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.