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Finding the Third Proportional to 4,505,071.92 and 9,329,521.78

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Solution

The third proportional to 4,505,071.92 and 9,329,521.78 is: 19,320,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505,071.92 : 9,329,521.78 = 9,329,521.78 : x
  2. Step 2: Convert to fraction form
    4,505,071.92/9,329,521.78 = 9,329,521.78/x
  3. Step 3: Cross multiply
    4,505,071.92x = 9,329,521.78 × 9,329,521.78
  4. Step 4: Simplify right side
    4,505,071.92x = 87,039,976,666,818.17
  5. Step 5: Solve for x
    x = 87,039,976,666,818.17/4,505,071.92
  6. Step 6: Final answer
    x = 19,320,441.09

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.