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Finding the Third Proportional to 380,302 and 814,585

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Solution

The third proportional to 380,302 and 814,585 is: 1,744,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,302 : 814,585 = 814,585 : x
  2. Step 2: Convert to fraction form
    380,302/814,585 = 814,585/x
  3. Step 3: Cross multiply
    380,302x = 814,585 × 814,585
  4. Step 4: Simplify right side
    380,302x = 663,548,722,225
  5. Step 5: Solve for x
    x = 663,548,722,225/380,302
  6. Step 6: Final answer
    x = 1,744,794.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.