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Finding the Third Proportional to 715,814.72 and 1,543,713.19

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Solution

The third proportional to 715,814.72 and 1,543,713.19 is: 3,329,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,814.72 : 1,543,713.19 = 1,543,713.19 : x
  2. Step 2: Convert to fraction form
    715,814.72/1,543,713.19 = 1,543,713.19/x
  3. Step 3: Cross multiply
    715,814.72x = 1,543,713.19 × 1,543,713.19
  4. Step 4: Simplify right side
    715,814.72x = 2,383,050,405,261.41
  5. Step 5: Solve for x
    x = 2,383,050,405,261.41/715,814.72
  6. Step 6: Final answer
    x = 3,329,144.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.