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Finding the Third Proportional to 3,855,339.28 and 5,740,909.17

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Solution

The third proportional to 3,855,339.28 and 5,740,909.17 is: 8,548,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,339.28 : 5,740,909.17 = 5,740,909.17 : x
  2. Step 2: Convert to fraction form
    3,855,339.28/5,740,909.17 = 5,740,909.17/x
  3. Step 3: Cross multiply
    3,855,339.28x = 5,740,909.17 × 5,740,909.17
  4. Step 4: Simplify right side
    3,855,339.28x = 32,958,038,119,718.50
  5. Step 5: Solve for x
    x = 32,958,038,119,718.50/3,855,339.28
  6. Step 6: Final answer
    x = 8,548,673.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.