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Finding the Third Proportional to 1,625,197.50 and 2,519,965.69

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Solution

The third proportional to 1,625,197.50 and 2,519,965.69 is: 3,907,357.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,197.50 : 2,519,965.69 = 2,519,965.69 : x
  2. Step 2: Convert to fraction form
    1,625,197.50/2,519,965.69 = 2,519,965.69/x
  3. Step 3: Cross multiply
    1,625,197.50x = 2,519,965.69 × 2,519,965.69
  4. Step 4: Simplify right side
    1,625,197.50x = 6,350,227,066,177.35
  5. Step 5: Solve for x
    x = 6,350,227,066,177.35/1,625,197.50
  6. Step 6: Final answer
    x = 3,907,357.15

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.