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Finding the Third Proportional to 1,868,276.25 and 3,885,658.88

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Solution

The third proportional to 1,868,276.25 and 3,885,658.88 is: 8,081,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,276.25 : 3,885,658.88 = 3,885,658.88 : x
  2. Step 2: Convert to fraction form
    1,868,276.25/3,885,658.88 = 3,885,658.88/x
  3. Step 3: Cross multiply
    1,868,276.25x = 3,885,658.88 × 3,885,658.88
  4. Step 4: Simplify right side
    1,868,276.25x = 15,098,344,892,866.27
  5. Step 5: Solve for x
    x = 15,098,344,892,866.27/1,868,276.25
  6. Step 6: Final answer
    x = 8,081,430.62

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.