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Finding the Third Proportional to 1,489,593.80 and 3,157,948.27

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Solution

The third proportional to 1,489,593.80 and 3,157,948.27 is: 6,694,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,593.80 : 3,157,948.27 = 3,157,948.27 : x
  2. Step 2: Convert to fraction form
    1,489,593.80/3,157,948.27 = 3,157,948.27/x
  3. Step 3: Cross multiply
    1,489,593.80x = 3,157,948.27 × 3,157,948.27
  4. Step 4: Simplify right side
    1,489,593.80x = 9,972,637,248,363.95
  5. Step 5: Solve for x
    x = 9,972,637,248,363.95/1,489,593.80
  6. Step 6: Final answer
    x = 6,694,870.29

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.