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Finding the Third Proportional to 801,036 and 1,239,900

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Solution

The third proportional to 801,036 and 1,239,900 is: 1,919,204.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,036 : 1,239,900 = 1,239,900 : x
  2. Step 2: Convert to fraction form
    801,036/1,239,900 = 1,239,900/x
  3. Step 3: Cross multiply
    801,036x = 1,239,900 × 1,239,900
  4. Step 4: Simplify right side
    801,036x = 1,537,352,010,000
  5. Step 5: Solve for x
    x = 1,537,352,010,000/801,036
  6. Step 6: Final answer
    x = 1,919,204.64

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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.