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Finding the Third Proportional to 575,442 and 871,159

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Solution

The third proportional to 575,442 and 871,159 is: 1,318,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,442 : 871,159 = 871,159 : x
  2. Step 2: Convert to fraction form
    575,442/871,159 = 871,159/x
  3. Step 3: Cross multiply
    575,442x = 871,159 × 871,159
  4. Step 4: Simplify right side
    575,442x = 758,918,003,281
  5. Step 5: Solve for x
    x = 758,918,003,281/575,442
  6. Step 6: Final answer
    x = 1,318,843.61

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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.