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Finding the Third Proportional to 425,391 and 659,001

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Solution

The third proportional to 425,391 and 659,001 is: 1,020,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,391 : 659,001 = 659,001 : x
  2. Step 2: Convert to fraction form
    425,391/659,001 = 659,001/x
  3. Step 3: Cross multiply
    425,391x = 659,001 × 659,001
  4. Step 4: Simplify right side
    425,391x = 434,282,318,001
  5. Step 5: Solve for x
    x = 434,282,318,001/425,391
  6. Step 6: Final answer
    x = 1,020,901.52

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.