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Finding the Third Proportional to 634,638.38 and 1,321,768.13

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Solution

The third proportional to 634,638.38 and 1,321,768.13 is: 2,752,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,638.38 : 1,321,768.13 = 1,321,768.13 : x
  2. Step 2: Convert to fraction form
    634,638.38/1,321,768.13 = 1,321,768.13/x
  3. Step 3: Cross multiply
    634,638.38x = 1,321,768.13 × 1,321,768.13
  4. Step 4: Simplify right side
    634,638.38x = 1,747,070,976,266.02
  5. Step 5: Solve for x
    x = 1,747,070,976,266.02/634,638.38
  6. Step 6: Final answer
    x = 2,752,860.60

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.