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Finding the Third Proportional to 5,639,680.38 and 8,357,103.38

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Solution

The third proportional to 5,639,680.38 and 8,357,103.38 is: 12,383,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,680.38 : 8,357,103.38 = 8,357,103.38 : x
  2. Step 2: Convert to fraction form
    5,639,680.38/8,357,103.38 = 8,357,103.38/x
  3. Step 3: Cross multiply
    5,639,680.38x = 8,357,103.38 × 8,357,103.38
  4. Step 4: Simplify right side
    5,639,680.38x = 69,841,176,820,436.39
  5. Step 5: Solve for x
    x = 69,841,176,820,436.39/5,639,680.38
  6. Step 6: Final answer
    x = 12,383,889.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.