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Finding the Third Proportional to 18,399.66 and 29,182.78

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Solution

The third proportional to 18,399.66 and 29,182.78 is: 46,285.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.66 : 29,182.78 = 29,182.78 : x
  2. Step 2: Convert to fraction form
    18,399.66/29,182.78 = 29,182.78/x
  3. Step 3: Cross multiply
    18,399.66x = 29,182.78 × 29,182.78
  4. Step 4: Simplify right side
    18,399.66x = 851,634,721.49
  5. Step 5: Solve for x
    x = 851,634,721.49/18,399.66
  6. Step 6: Final answer
    x = 46,285.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.