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Finding the Third Proportional to 3,309,511.92 and 7,141,853.53

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Solution

The third proportional to 3,309,511.92 and 7,141,853.53 is: 15,411,961.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,511.92 : 7,141,853.53 = 7,141,853.53 : x
  2. Step 2: Convert to fraction form
    3,309,511.92/7,141,853.53 = 7,141,853.53/x
  3. Step 3: Cross multiply
    3,309,511.92x = 7,141,853.53 × 7,141,853.53
  4. Step 4: Simplify right side
    3,309,511.92x = 51,006,071,861,828.09
  5. Step 5: Solve for x
    x = 51,006,071,861,828.09/3,309,511.92
  6. Step 6: Final answer
    x = 15,411,961.96

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.