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Finding the Third Proportional to 126,315 and 270,132.75

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Solution

The third proportional to 126,315 and 270,132.75 is: 577,696.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,315 : 270,132.75 = 270,132.75 : x
  2. Step 2: Convert to fraction form
    126,315/270,132.75 = 270,132.75/x
  3. Step 3: Cross multiply
    126,315x = 270,132.75 × 270,132.75
  4. Step 4: Simplify right side
    126,315x = 72,971,702,622.56
  5. Step 5: Solve for x
    x = 72,971,702,622.56/126,315
  6. Step 6: Final answer
    x = 577,696.26

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.