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Finding the Third Proportional to 641,509.88 and 1,491,670.69

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Solution

The third proportional to 641,509.88 and 1,491,670.69 is: 3,468,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,509.88 : 1,491,670.69 = 1,491,670.69 : x
  2. Step 2: Convert to fraction form
    641,509.88/1,491,670.69 = 1,491,670.69/x
  3. Step 3: Cross multiply
    641,509.88x = 1,491,670.69 × 1,491,670.69
  4. Step 4: Simplify right side
    641,509.88x = 2,225,081,439,946.72
  5. Step 5: Solve for x
    x = 2,225,081,439,946.72/641,509.88
  6. Step 6: Final answer
    x = 3,468,506.92

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.