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Finding the Third Proportional to 15,646 and 34,748

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Solution

The third proportional to 15,646 and 34,748 is: 77,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646 : 34,748 = 34,748 : x
  2. Step 2: Convert to fraction form
    15,646/34,748 = 34,748/x
  3. Step 3: Cross multiply
    15,646x = 34,748 × 34,748
  4. Step 4: Simplify right side
    15,646x = 1,207,423,504
  5. Step 5: Solve for x
    x = 1,207,423,504/15,646
  6. Step 6: Final answer
    x = 77,171.39

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.