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Finding the Third Proportional to 2,491,710.19 and 3,903,641.44

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Solution

The third proportional to 2,491,710.19 and 3,903,641.44 is: 6,115,645.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491,710.19 : 3,903,641.44 = 3,903,641.44 : x
  2. Step 2: Convert to fraction form
    2,491,710.19/3,903,641.44 = 3,903,641.44/x
  3. Step 3: Cross multiply
    2,491,710.19x = 3,903,641.44 × 3,903,641.44
  4. Step 4: Simplify right side
    2,491,710.19x = 15,238,416,472,567.07
  5. Step 5: Solve for x
    x = 15,238,416,472,567.07/2,491,710.19
  6. Step 6: Final answer
    x = 6,115,645.61

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.