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Finding the Third Proportional to 20,109 and 26,473

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Solution

The third proportional to 20,109 and 26,473 is: 34,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109 : 26,473 = 26,473 : x
  2. Step 2: Convert to fraction form
    20,109/26,473 = 26,473/x
  3. Step 3: Cross multiply
    20,109x = 26,473 × 26,473
  4. Step 4: Simplify right side
    20,109x = 700,819,729
  5. Step 5: Solve for x
    x = 700,819,729/20,109
  6. Step 6: Final answer
    x = 34,851.05

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.