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Finding the Third Proportional to 4,043,395.65 and 8,703,345.90

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Solution

The third proportional to 4,043,395.65 and 8,703,345.90 is: 18,733,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043,395.65 : 8,703,345.90 = 8,703,345.90 : x
  2. Step 2: Convert to fraction form
    4,043,395.65/8,703,345.90 = 8,703,345.90/x
  3. Step 3: Cross multiply
    4,043,395.65x = 8,703,345.90 × 8,703,345.90
  4. Step 4: Simplify right side
    4,043,395.65x = 75,748,229,895,844.62
  5. Step 5: Solve for x
    x = 75,748,229,895,844.62/4,043,395.65
  6. Step 6: Final answer
    x = 18,733,815.93

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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.