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Finding the Third Proportional to 20,010 and 28,534

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Solution

The third proportional to 20,010 and 28,534 is: 40,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010 : 28,534 = 28,534 : x
  2. Step 2: Convert to fraction form
    20,010/28,534 = 28,534/x
  3. Step 3: Cross multiply
    20,010x = 28,534 × 28,534
  4. Step 4: Simplify right side
    20,010x = 814,189,156
  5. Step 5: Solve for x
    x = 814,189,156/20,010
  6. Step 6: Final answer
    x = 40,689.11

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.