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Finding the Third Proportional to 747,182 and 1,621,372

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Solution

The third proportional to 747,182 and 1,621,372 is: 3,518,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,182 : 1,621,372 = 1,621,372 : x
  2. Step 2: Convert to fraction form
    747,182/1,621,372 = 1,621,372/x
  3. Step 3: Cross multiply
    747,182x = 1,621,372 × 1,621,372
  4. Step 4: Simplify right side
    747,182x = 2,628,847,162,384
  5. Step 5: Solve for x
    x = 2,628,847,162,384/747,182
  6. Step 6: Final answer
    x = 3,518,349.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.