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Finding the Third Proportional to 655,995 and 1,440,402

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Solution

The third proportional to 655,995 and 1,440,402 is: 3,162,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,995 : 1,440,402 = 1,440,402 : x
  2. Step 2: Convert to fraction form
    655,995/1,440,402 = 1,440,402/x
  3. Step 3: Cross multiply
    655,995x = 1,440,402 × 1,440,402
  4. Step 4: Simplify right side
    655,995x = 2,074,757,921,604
  5. Step 5: Solve for x
    x = 2,074,757,921,604/655,995
  6. Step 6: Final answer
    x = 3,162,764.84

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.