Home / 64,282-138,442

Finding the Third Proportional to 64,282 and 138,442

Calculator

Solution

The third proportional to 64,282 and 138,442 is: 298,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,282 : 138,442 = 138,442 : x
  2. Step 2: Convert to fraction form
    64,282/138,442 = 138,442/x
  3. Step 3: Cross multiply
    64,282x = 138,442 × 138,442
  4. Step 4: Simplify right side
    64,282x = 19,166,187,364
  5. Step 5: Solve for x
    x = 19,166,187,364/64,282
  6. Step 6: Final answer
    x = 298,157.92

Related Problems

Find third proportional to 32,141 and 69,221
Half scale
Find third proportional to 128,564 and 276,884
Double scale
Find third proportional to 64,284 and 138,446
Similar ratio
Find third proportional to 96,423 and 207,663
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.