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Finding the Third Proportional to 550,479.38 and 850,768.31

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Solution

The third proportional to 550,479.38 and 850,768.31 is: 1,314,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,479.38 : 850,768.31 = 850,768.31 : x
  2. Step 2: Convert to fraction form
    550,479.38/850,768.31 = 850,768.31/x
  3. Step 3: Cross multiply
    550,479.38x = 850,768.31 × 850,768.31
  4. Step 4: Simplify right side
    550,479.38x = 723,806,721,554.10
  5. Step 5: Solve for x
    x = 723,806,721,554.10/550,479.38
  6. Step 6: Final answer
    x = 1,314,866.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.