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Finding the Third Proportional to 80,703 and 124,456.50

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Solution

The third proportional to 80,703 and 124,456.50 is: 191,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,703 : 124,456.50 = 124,456.50 : x
  2. Step 2: Convert to fraction form
    80,703/124,456.50 = 124,456.50/x
  3. Step 3: Cross multiply
    80,703x = 124,456.50 × 124,456.50
  4. Step 4: Simplify right side
    80,703x = 15,489,420,392.25
  5. Step 5: Solve for x
    x = 15,489,420,392.25/80,703
  6. Step 6: Final answer
    x = 191,931.16

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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.