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Finding the Third Proportional to 133,862 and 288,460

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Solution

The third proportional to 133,862 and 288,460 is: 621,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,862 : 288,460 = 288,460 : x
  2. Step 2: Convert to fraction form
    133,862/288,460 = 288,460/x
  3. Step 3: Cross multiply
    133,862x = 288,460 × 288,460
  4. Step 4: Simplify right side
    133,862x = 83,209,171,600
  5. Step 5: Solve for x
    x = 83,209,171,600/133,862
  6. Step 6: Final answer
    x = 621,604.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.