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Finding the Third Proportional to 866,214 and 1,259,955

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Solution

The third proportional to 866,214 and 1,259,955 is: 1,832,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,214 : 1,259,955 = 1,259,955 : x
  2. Step 2: Convert to fraction form
    866,214/1,259,955 = 1,259,955/x
  3. Step 3: Cross multiply
    866,214x = 1,259,955 × 1,259,955
  4. Step 4: Simplify right side
    866,214x = 1,587,486,602,025
  5. Step 5: Solve for x
    x = 1,587,486,602,025/866,214
  6. Step 6: Final answer
    x = 1,832,672.53

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.