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Finding the Third Proportional to 621,496 and 1,353,701

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Solution

The third proportional to 621,496 and 1,353,701 is: 2,948,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,496 : 1,353,701 = 1,353,701 : x
  2. Step 2: Convert to fraction form
    621,496/1,353,701 = 1,353,701/x
  3. Step 3: Cross multiply
    621,496x = 1,353,701 × 1,353,701
  4. Step 4: Simplify right side
    621,496x = 1,832,506,397,401
  5. Step 5: Solve for x
    x = 1,832,506,397,401/621,496
  6. Step 6: Final answer
    x = 2,948,540.94

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.