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Finding the Third Proportional to 722,479.50 and 1,587,969

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Solution

The third proportional to 722,479.50 and 1,587,969 is: 3,490,265.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,479.50 : 1,587,969 = 1,587,969 : x
  2. Step 2: Convert to fraction form
    722,479.50/1,587,969 = 1,587,969/x
  3. Step 3: Cross multiply
    722,479.50x = 1,587,969 × 1,587,969
  4. Step 4: Simplify right side
    722,479.50x = 2,521,645,544,961
  5. Step 5: Solve for x
    x = 2,521,645,544,961/722,479.50
  6. Step 6: Final answer
    x = 3,490,265.88

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.