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Finding the Third Proportional to 859,908 and 1,790,397

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Solution

The third proportional to 859,908 and 1,790,397 is: 3,727,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,908 : 1,790,397 = 1,790,397 : x
  2. Step 2: Convert to fraction form
    859,908/1,790,397 = 1,790,397/x
  3. Step 3: Cross multiply
    859,908x = 1,790,397 × 1,790,397
  4. Step 4: Simplify right side
    859,908x = 3,205,521,417,609
  5. Step 5: Solve for x
    x = 3,205,521,417,609/859,908
  6. Step 6: Final answer
    x = 3,727,749.27

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.