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Finding the Third Proportional to 443,530.65 and 694,854.11

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Solution

The third proportional to 443,530.65 and 694,854.11 is: 1,088,588.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,530.65 : 694,854.11 = 694,854.11 : x
  2. Step 2: Convert to fraction form
    443,530.65/694,854.11 = 694,854.11/x
  3. Step 3: Cross multiply
    443,530.65x = 694,854.11 × 694,854.11
  4. Step 4: Simplify right side
    443,530.65x = 482,822,233,993.95
  5. Step 5: Solve for x
    x = 482,822,233,993.95/443,530.65
  6. Step 6: Final answer
    x = 1,088,588.21

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.