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Finding the Third Proportional to 371,369 and 555,665

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Solution

The third proportional to 371,369 and 555,665 is: 831,419.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,369 : 555,665 = 555,665 : x
  2. Step 2: Convert to fraction form
    371,369/555,665 = 555,665/x
  3. Step 3: Cross multiply
    371,369x = 555,665 × 555,665
  4. Step 4: Simplify right side
    371,369x = 308,763,592,225
  5. Step 5: Solve for x
    x = 308,763,592,225/371,369
  6. Step 6: Final answer
    x = 831,419.94

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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.