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Finding the Third Proportional to 127,656 and 178,881.75

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Solution

The third proportional to 127,656 and 178,881.75 is: 250,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656 : 178,881.75 = 178,881.75 : x
  2. Step 2: Convert to fraction form
    127,656/178,881.75 = 178,881.75/x
  3. Step 3: Cross multiply
    127,656x = 178,881.75 × 178,881.75
  4. Step 4: Simplify right side
    127,656x = 31,998,680,483.06
  5. Step 5: Solve for x
    x = 31,998,680,483.06/127,656
  6. Step 6: Final answer
    x = 250,663.35

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.