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Finding the Third Proportional to 40,479.75 and 63,357.19

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Solution

The third proportional to 40,479.75 and 63,357.19 is: 99,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,479.75 : 63,357.19 = 63,357.19 : x
  2. Step 2: Convert to fraction form
    40,479.75/63,357.19 = 63,357.19/x
  3. Step 3: Cross multiply
    40,479.75x = 63,357.19 × 63,357.19
  4. Step 4: Simplify right side
    40,479.75x = 4,014,133,207.91
  5. Step 5: Solve for x
    x = 4,014,133,207.91/40,479.75
  6. Step 6: Final answer
    x = 99,163.98

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.