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Finding the Third Proportional to 103,766.91 and 155,650.78

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Solution

The third proportional to 103,766.91 and 155,650.78 is: 233,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,766.91 : 155,650.78 = 155,650.78 : x
  2. Step 2: Convert to fraction form
    103,766.91/155,650.78 = 155,650.78/x
  3. Step 3: Cross multiply
    103,766.91x = 155,650.78 × 155,650.78
  4. Step 4: Simplify right side
    103,766.91x = 24,227,165,703.74
  5. Step 5: Solve for x
    x = 24,227,165,703.74/103,766.91
  6. Step 6: Final answer
    x = 233,476.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.