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Finding the Third Proportional to 1,872,365.50 and 4,033,142

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Solution

The third proportional to 1,872,365.50 and 4,033,142 is: 8,687,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,365.50 : 4,033,142 = 4,033,142 : x
  2. Step 2: Convert to fraction form
    1,872,365.50/4,033,142 = 4,033,142/x
  3. Step 3: Cross multiply
    1,872,365.50x = 4,033,142 × 4,033,142
  4. Step 4: Simplify right side
    1,872,365.50x = 16,266,234,392,164
  5. Step 5: Solve for x
    x = 16,266,234,392,164/1,872,365.50
  6. Step 6: Final answer
    x = 8,687,531.57

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.