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Finding the Third Proportional to 906,621.75 and 1,987,623

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Solution

The third proportional to 906,621.75 and 1,987,623 is: 4,357,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,621.75 : 1,987,623 = 1,987,623 : x
  2. Step 2: Convert to fraction form
    906,621.75/1,987,623 = 1,987,623/x
  3. Step 3: Cross multiply
    906,621.75x = 1,987,623 × 1,987,623
  4. Step 4: Simplify right side
    906,621.75x = 3,950,645,190,129
  5. Step 5: Solve for x
    x = 3,950,645,190,129/906,621.75
  6. Step 6: Final answer
    x = 4,357,545.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.