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Finding the Third Proportional to 4,687 and 8,606

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Solution

The third proportional to 4,687 and 8,606 is: 15,801.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687 : 8,606 = 8,606 : x
  2. Step 2: Convert to fraction form
    4,687/8,606 = 8,606/x
  3. Step 3: Cross multiply
    4,687x = 8,606 × 8,606
  4. Step 4: Simplify right side
    4,687x = 74,063,236
  5. Step 5: Solve for x
    x = 74,063,236/4,687
  6. Step 6: Final answer
    x = 15,801.84

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.