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Finding the Third Proportional to 15,115 and 32,417

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Solution

The third proportional to 15,115 and 32,417 is: 69,524.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115 : 32,417 = 32,417 : x
  2. Step 2: Convert to fraction form
    15,115/32,417 = 32,417/x
  3. Step 3: Cross multiply
    15,115x = 32,417 × 32,417
  4. Step 4: Simplify right side
    15,115x = 1,050,861,889
  5. Step 5: Solve for x
    x = 1,050,861,889/15,115
  6. Step 6: Final answer
    x = 69,524.44

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.