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Finding the Third Proportional to 617,761 and 1,353,621

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Solution

The third proportional to 617,761 and 1,353,621 is: 2,966,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,761 : 1,353,621 = 1,353,621 : x
  2. Step 2: Convert to fraction form
    617,761/1,353,621 = 1,353,621/x
  3. Step 3: Cross multiply
    617,761x = 1,353,621 × 1,353,621
  4. Step 4: Simplify right side
    617,761x = 1,832,289,811,641
  5. Step 5: Solve for x
    x = 1,832,289,811,641/617,761
  6. Step 6: Final answer
    x = 2,966,017.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.