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Finding the Third Proportional to 1,859,785.31 and 2,872,548.56

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Solution

The third proportional to 1,859,785.31 and 2,872,548.56 is: 4,436,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,785.31 : 2,872,548.56 = 2,872,548.56 : x
  2. Step 2: Convert to fraction form
    1,859,785.31/2,872,548.56 = 2,872,548.56/x
  3. Step 3: Cross multiply
    1,859,785.31x = 2,872,548.56 × 2,872,548.56
  4. Step 4: Simplify right side
    1,859,785.31x = 8,251,535,243,920.82
  5. Step 5: Solve for x
    x = 8,251,535,243,920.82/1,859,785.31
  6. Step 6: Final answer
    x = 4,436,821.38

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.