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Finding the Third Proportional to 864,716 and 1,374,059

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Solution

The third proportional to 864,716 and 1,374,059 is: 2,183,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,716 : 1,374,059 = 1,374,059 : x
  2. Step 2: Convert to fraction form
    864,716/1,374,059 = 1,374,059/x
  3. Step 3: Cross multiply
    864,716x = 1,374,059 × 1,374,059
  4. Step 4: Simplify right side
    864,716x = 1,888,038,135,481
  5. Step 5: Solve for x
    x = 1,888,038,135,481/864,716
  6. Step 6: Final answer
    x = 2,183,419.92

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.