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Finding the Third Proportional to 2,791,287 and 4,427,163

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Solution

The third proportional to 2,791,287 and 4,427,163 is: 7,021,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791,287 : 4,427,163 = 4,427,163 : x
  2. Step 2: Convert to fraction form
    2,791,287/4,427,163 = 4,427,163/x
  3. Step 3: Cross multiply
    2,791,287x = 4,427,163 × 4,427,163
  4. Step 4: Simplify right side
    2,791,287x = 19,599,772,228,569
  5. Step 5: Solve for x
    x = 19,599,772,228,569/2,791,287
  6. Step 6: Final answer
    x = 7,021,768.89

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.