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Finding the Third Proportional to 2,863,454.50 and 4,005,412.75

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Solution

The third proportional to 2,863,454.50 and 4,005,412.75 is: 5,602,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863,454.50 : 4,005,412.75 = 4,005,412.75 : x
  2. Step 2: Convert to fraction form
    2,863,454.50/4,005,412.75 = 4,005,412.75/x
  3. Step 3: Cross multiply
    2,863,454.50x = 4,005,412.75 × 4,005,412.75
  4. Step 4: Simplify right side
    2,863,454.50x = 16,043,331,297,862.56
  5. Step 5: Solve for x
    x = 16,043,331,297,862.56/2,863,454.50
  6. Step 6: Final answer
    x = 5,602,788.97

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.