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Finding the Third Proportional to 1,220,942 and 1,867,713

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Solution

The third proportional to 1,220,942 and 1,867,713 is: 2,857,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,942 : 1,867,713 = 1,867,713 : x
  2. Step 2: Convert to fraction form
    1,220,942/1,867,713 = 1,867,713/x
  3. Step 3: Cross multiply
    1,220,942x = 1,867,713 × 1,867,713
  4. Step 4: Simplify right side
    1,220,942x = 3,488,351,850,369
  5. Step 5: Solve for x
    x = 3,488,351,850,369/1,220,942
  6. Step 6: Final answer
    x = 2,857,098.74

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.