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Finding the Third Proportional to 863,151 and 1,306,722

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Solution

The third proportional to 863,151 and 1,306,722 is: 1,978,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,151 : 1,306,722 = 1,306,722 : x
  2. Step 2: Convert to fraction form
    863,151/1,306,722 = 1,306,722/x
  3. Step 3: Cross multiply
    863,151x = 1,306,722 × 1,306,722
  4. Step 4: Simplify right side
    863,151x = 1,707,522,385,284
  5. Step 5: Solve for x
    x = 1,707,522,385,284/863,151
  6. Step 6: Final answer
    x = 1,978,242.96

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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.