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Finding the Third Proportional to 187,677 and 283,135.50

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Solution

The third proportional to 187,677 and 283,135.50 is: 427,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,677 : 283,135.50 = 283,135.50 : x
  2. Step 2: Convert to fraction form
    187,677/283,135.50 = 283,135.50/x
  3. Step 3: Cross multiply
    187,677x = 283,135.50 × 283,135.50
  4. Step 4: Simplify right side
    187,677x = 80,165,711,360.25
  5. Step 5: Solve for x
    x = 80,165,711,360.25/187,677
  6. Step 6: Final answer
    x = 427,147.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.