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Finding the Third Proportional to 79,126.88 and 175,749.75

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Solution

The third proportional to 79,126.88 and 175,749.75 is: 390,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,126.88 : 175,749.75 = 175,749.75 : x
  2. Step 2: Convert to fraction form
    79,126.88/175,749.75 = 175,749.75/x
  3. Step 3: Cross multiply
    79,126.88x = 175,749.75 × 175,749.75
  4. Step 4: Simplify right side
    79,126.88x = 30,887,974,625.06
  5. Step 5: Solve for x
    x = 30,887,974,625.06/79,126.88
  6. Step 6: Final answer
    x = 390,360.10

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.