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Finding the Third Proportional to 368,355 and 553,902

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Solution

The third proportional to 368,355 and 553,902 is: 832,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,355 : 553,902 = 553,902 : x
  2. Step 2: Convert to fraction form
    368,355/553,902 = 553,902/x
  3. Step 3: Cross multiply
    368,355x = 553,902 × 553,902
  4. Step 4: Simplify right side
    368,355x = 306,807,425,604
  5. Step 5: Solve for x
    x = 306,807,425,604/368,355
  6. Step 6: Final answer
    x = 832,912.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.