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Finding the Third Proportional to 728,295.75 and 1,102,565.25

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Solution

The third proportional to 728,295.75 and 1,102,565.25 is: 1,669,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,295.75 : 1,102,565.25 = 1,102,565.25 : x
  2. Step 2: Convert to fraction form
    728,295.75/1,102,565.25 = 1,102,565.25/x
  3. Step 3: Cross multiply
    728,295.75x = 1,102,565.25 × 1,102,565.25
  4. Step 4: Simplify right side
    728,295.75x = 1,215,650,130,507.56
  5. Step 5: Solve for x
    x = 1,215,650,130,507.56/728,295.75
  6. Step 6: Final answer
    x = 1,669,170.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.