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Finding the Third Proportional to 417,519 and 930,660

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Solution

The third proportional to 417,519 and 930,660 is: 2,074,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,519 : 930,660 = 930,660 : x
  2. Step 2: Convert to fraction form
    417,519/930,660 = 930,660/x
  3. Step 3: Cross multiply
    417,519x = 930,660 × 930,660
  4. Step 4: Simplify right side
    417,519x = 866,128,035,600
  5. Step 5: Solve for x
    x = 866,128,035,600/417,519
  6. Step 6: Final answer
    x = 2,074,463.76

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.