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Finding the Third Proportional to 801,038 and 1,239,911

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Solution

The third proportional to 801,038 and 1,239,911 is: 1,919,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,038 : 1,239,911 = 1,239,911 : x
  2. Step 2: Convert to fraction form
    801,038/1,239,911 = 1,239,911/x
  3. Step 3: Cross multiply
    801,038x = 1,239,911 × 1,239,911
  4. Step 4: Simplify right side
    801,038x = 1,537,379,287,921
  5. Step 5: Solve for x
    x = 1,537,379,287,921/801,038
  6. Step 6: Final answer
    x = 1,919,233.90

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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.