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Finding the Third Proportional to 782,436.38 and 1,648,937.25

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Solution

The third proportional to 782,436.38 and 1,648,937.25 is: 3,475,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,436.38 : 1,648,937.25 = 1,648,937.25 : x
  2. Step 2: Convert to fraction form
    782,436.38/1,648,937.25 = 1,648,937.25/x
  3. Step 3: Cross multiply
    782,436.38x = 1,648,937.25 × 1,648,937.25
  4. Step 4: Simplify right side
    782,436.38x = 2,718,994,054,437.56
  5. Step 5: Solve for x
    x = 2,718,994,054,437.56/782,436.38
  6. Step 6: Final answer
    x = 3,475,035.34

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.