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Finding the Third Proportional to 1,250,439.19 and 1,937,434.78

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Solution

The third proportional to 1,250,439.19 and 1,937,434.78 is: 3,001,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,439.19 : 1,937,434.78 = 1,937,434.78 : x
  2. Step 2: Convert to fraction form
    1,250,439.19/1,937,434.78 = 1,937,434.78/x
  3. Step 3: Cross multiply
    1,250,439.19x = 1,937,434.78 × 1,937,434.78
  4. Step 4: Simplify right side
    1,250,439.19x = 3,753,653,531,597.24
  5. Step 5: Solve for x
    x = 3,753,653,531,597.24/1,250,439.19
  6. Step 6: Final answer
    x = 3,001,868.12

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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.