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Finding the Third Proportional to 15,881 and 23,359

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Solution

The third proportional to 15,881 and 23,359 is: 34,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881 : 23,359 = 23,359 : x
  2. Step 2: Convert to fraction form
    15,881/23,359 = 23,359/x
  3. Step 3: Cross multiply
    15,881x = 23,359 × 23,359
  4. Step 4: Simplify right side
    15,881x = 545,642,881
  5. Step 5: Solve for x
    x = 545,642,881/15,881
  6. Step 6: Final answer
    x = 34,358.22

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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.