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Finding the Third Proportional to 401,446.13 and 865,560.94

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Solution

The third proportional to 401,446.13 and 865,560.94 is: 1,866,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,446.13 : 865,560.94 = 865,560.94 : x
  2. Step 2: Convert to fraction form
    401,446.13/865,560.94 = 865,560.94/x
  3. Step 3: Cross multiply
    401,446.13x = 865,560.94 × 865,560.94
  4. Step 4: Simplify right side
    401,446.13x = 749,195,736,525.88
  5. Step 5: Solve for x
    x = 749,195,736,525.88/401,446.13
  6. Step 6: Final answer
    x = 1,866,242.29

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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.