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Finding the Third Proportional to 886,258 and 1,374,909

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Solution

The third proportional to 886,258 and 1,374,909 is: 2,132,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,258 : 1,374,909 = 1,374,909 : x
  2. Step 2: Convert to fraction form
    886,258/1,374,909 = 1,374,909/x
  3. Step 3: Cross multiply
    886,258x = 1,374,909 × 1,374,909
  4. Step 4: Simplify right side
    886,258x = 1,890,374,758,281
  5. Step 5: Solve for x
    x = 1,890,374,758,281/886,258
  6. Step 6: Final answer
    x = 2,132,984.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.