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Finding the Third Proportional to 117,015.75 and 176,320.13

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Solution

The third proportional to 117,015.75 and 176,320.13 is: 265,680.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,015.75 : 176,320.13 = 176,320.13 : x
  2. Step 2: Convert to fraction form
    117,015.75/176,320.13 = 176,320.13/x
  3. Step 3: Cross multiply
    117,015.75x = 176,320.13 × 176,320.13
  4. Step 4: Simplify right side
    117,015.75x = 31,088,786,480.02
  5. Step 5: Solve for x
    x = 31,088,786,480.02/117,015.75
  6. Step 6: Final answer
    x = 265,680.36

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.