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Finding the Third Proportional to 447,030 and 674,649

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Solution

The third proportional to 447,030 and 674,649 is: 1,018,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,030 : 674,649 = 674,649 : x
  2. Step 2: Convert to fraction form
    447,030/674,649 = 674,649/x
  3. Step 3: Cross multiply
    447,030x = 674,649 × 674,649
  4. Step 4: Simplify right side
    447,030x = 455,151,273,201
  5. Step 5: Solve for x
    x = 455,151,273,201/447,030
  6. Step 6: Final answer
    x = 1,018,167.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.