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Finding the Third Proportional to 15,658 and 32,609

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Solution

The third proportional to 15,658 and 32,609 is: 67,910.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658 : 32,609 = 32,609 : x
  2. Step 2: Convert to fraction form
    15,658/32,609 = 32,609/x
  3. Step 3: Cross multiply
    15,658x = 32,609 × 32,609
  4. Step 4: Simplify right side
    15,658x = 1,063,346,881
  5. Step 5: Solve for x
    x = 1,063,346,881/15,658
  6. Step 6: Final answer
    x = 67,910.77

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.