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Finding the Third Proportional to 15,918 and 23,412

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Solution

The third proportional to 15,918 and 23,412 is: 34,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918 : 23,412 = 23,412 : x
  2. Step 2: Convert to fraction form
    15,918/23,412 = 23,412/x
  3. Step 3: Cross multiply
    15,918x = 23,412 × 23,412
  4. Step 4: Simplify right side
    15,918x = 548,121,744
  5. Step 5: Solve for x
    x = 548,121,744/15,918
  6. Step 6: Final answer
    x = 34,434.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.