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Finding the Third Proportional to 10,973 and 15,523

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Solution

The third proportional to 10,973 and 15,523 is: 21,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973 : 15,523 = 15,523 : x
  2. Step 2: Convert to fraction form
    10,973/15,523 = 15,523/x
  3. Step 3: Cross multiply
    10,973x = 15,523 × 15,523
  4. Step 4: Simplify right side
    10,973x = 240,963,529
  5. Step 5: Solve for x
    x = 240,963,529/10,973
  6. Step 6: Final answer
    x = 21,959.68

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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.