Home / 63,747-138,348

Finding the Third Proportional to 63,747 and 138,348

Calculator

Solution

The third proportional to 63,747 and 138,348 is: 300,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,747 : 138,348 = 138,348 : x
  2. Step 2: Convert to fraction form
    63,747/138,348 = 138,348/x
  3. Step 3: Cross multiply
    63,747x = 138,348 × 138,348
  4. Step 4: Simplify right side
    63,747x = 19,140,169,104
  5. Step 5: Solve for x
    x = 19,140,169,104/63,747
  6. Step 6: Final answer
    x = 300,252.08

Related Problems

Find third proportional to 31,873.50 and 69,174
Half scale
Find third proportional to 127,494 and 276,696
Double scale
Find third proportional to 63,749 and 138,352
Similar ratio
Find third proportional to 95,620.50 and 207,522
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.