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Finding the Third Proportional to 15,318 and 24,660

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Solution

The third proportional to 15,318 and 24,660 is: 39,699.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318 : 24,660 = 24,660 : x
  2. Step 2: Convert to fraction form
    15,318/24,660 = 24,660/x
  3. Step 3: Cross multiply
    15,318x = 24,660 × 24,660
  4. Step 4: Simplify right side
    15,318x = 608,115,600
  5. Step 5: Solve for x
    x = 608,115,600/15,318
  6. Step 6: Final answer
    x = 39,699.41

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.