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Finding the Third Proportional to 129,024 and 199,282.50

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Solution

The third proportional to 129,024 and 199,282.50 is: 307,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024 : 199,282.50 = 199,282.50 : x
  2. Step 2: Convert to fraction form
    129,024/199,282.50 = 199,282.50/x
  3. Step 3: Cross multiply
    129,024x = 199,282.50 × 199,282.50
  4. Step 4: Simplify right side
    129,024x = 39,713,514,806.25
  5. Step 5: Solve for x
    x = 39,713,514,806.25/129,024
  6. Step 6: Final answer
    x = 307,799.44

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.