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Finding the Third Proportional to 10,043 and 21,475

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Solution

The third proportional to 10,043 and 21,475 is: 45,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043 : 21,475 = 21,475 : x
  2. Step 2: Convert to fraction form
    10,043/21,475 = 21,475/x
  3. Step 3: Cross multiply
    10,043x = 21,475 × 21,475
  4. Step 4: Simplify right side
    10,043x = 461,175,625
  5. Step 5: Solve for x
    x = 461,175,625/10,043
  6. Step 6: Final answer
    x = 45,920.11

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.