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Finding the Third Proportional to 3,157,891.31 and 4,759,287.89

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Solution

The third proportional to 3,157,891.31 and 4,759,287.89 is: 7,172,767.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,891.31 : 4,759,287.89 = 4,759,287.89 : x
  2. Step 2: Convert to fraction form
    3,157,891.31/4,759,287.89 = 4,759,287.89/x
  3. Step 3: Cross multiply
    3,157,891.31x = 4,759,287.89 × 4,759,287.89
  4. Step 4: Simplify right side
    3,157,891.31x = 22,650,821,225,849.76
  5. Step 5: Solve for x
    x = 22,650,821,225,849.76/3,157,891.31
  6. Step 6: Final answer
    x = 7,172,767.83

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.