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Finding the Third Proportional to 15,294.38 and 21,537

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Solution

The third proportional to 15,294.38 and 21,537 is: 30,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.38 : 21,537 = 21,537 : x
  2. Step 2: Convert to fraction form
    15,294.38/21,537 = 21,537/x
  3. Step 3: Cross multiply
    15,294.38x = 21,537 × 21,537
  4. Step 4: Simplify right side
    15,294.38x = 463,842,369
  5. Step 5: Solve for x
    x = 463,842,369/15,294.38
  6. Step 6: Final answer
    x = 30,327.64

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.