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Finding the Third Proportional to 1,246,488.38 and 2,679,184.88

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Solution

The third proportional to 1,246,488.38 and 2,679,184.88 is: 5,758,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,488.38 : 2,679,184.88 = 2,679,184.88 : x
  2. Step 2: Convert to fraction form
    1,246,488.38/2,679,184.88 = 2,679,184.88/x
  3. Step 3: Cross multiply
    1,246,488.38x = 2,679,184.88 × 2,679,184.88
  4. Step 4: Simplify right side
    1,246,488.38x = 7,178,031,594,428.77
  5. Step 5: Solve for x
    x = 7,178,031,594,428.77/1,246,488.38
  6. Step 6: Final answer
    x = 5,758,602.92

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.