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Finding the Third Proportional to 234,490 and 363,634

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Solution

The third proportional to 234,490 and 363,634 is: 563,903.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,490 : 363,634 = 363,634 : x
  2. Step 2: Convert to fraction form
    234,490/363,634 = 363,634/x
  3. Step 3: Cross multiply
    234,490x = 363,634 × 363,634
  4. Step 4: Simplify right side
    234,490x = 132,229,685,956
  5. Step 5: Solve for x
    x = 132,229,685,956/234,490
  6. Step 6: Final answer
    x = 563,903.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.