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Finding the Third Proportional to 21,062 and 45,503

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Solution

The third proportional to 21,062 and 45,503 is: 98,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062 : 45,503 = 45,503 : x
  2. Step 2: Convert to fraction form
    21,062/45,503 = 45,503/x
  3. Step 3: Cross multiply
    21,062x = 45,503 × 45,503
  4. Step 4: Simplify right side
    21,062x = 2,070,523,009
  5. Step 5: Solve for x
    x = 2,070,523,009/21,062
  6. Step 6: Final answer
    x = 98,306.10

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.