Home / 61,614-129,666

Finding the Third Proportional to 61,614 and 129,666

Calculator

Solution

The third proportional to 61,614 and 129,666 is: 272,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,614 : 129,666 = 129,666 : x
  2. Step 2: Convert to fraction form
    61,614/129,666 = 129,666/x
  3. Step 3: Cross multiply
    61,614x = 129,666 × 129,666
  4. Step 4: Simplify right side
    61,614x = 16,813,271,556
  5. Step 5: Solve for x
    x = 16,813,271,556/61,614
  6. Step 6: Final answer
    x = 272,880.70

Related Problems

Find third proportional to 30,807 and 64,833
Half scale
Find third proportional to 123,228 and 259,332
Double scale
Find third proportional to 61,616 and 129,670
Similar ratio
Find third proportional to 92,421 and 194,499
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.