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Finding the Third Proportional to 873,402.75 and 1,388,836.13

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Solution

The third proportional to 873,402.75 and 1,388,836.13 is: 2,208,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,402.75 : 1,388,836.13 = 1,388,836.13 : x
  2. Step 2: Convert to fraction form
    873,402.75/1,388,836.13 = 1,388,836.13/x
  3. Step 3: Cross multiply
    873,402.75x = 1,388,836.13 × 1,388,836.13
  4. Step 4: Simplify right side
    873,402.75x = 1,928,865,782,105.02
  5. Step 5: Solve for x
    x = 1,928,865,782,105.02/873,402.75
  6. Step 6: Final answer
    x = 2,208,449.40

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.