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Finding the Third Proportional to 50,275.13 and 78,171.75

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Solution

The third proportional to 50,275.13 and 78,171.75 is: 121,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.13 : 78,171.75 = 78,171.75 : x
  2. Step 2: Convert to fraction form
    50,275.13/78,171.75 = 78,171.75/x
  3. Step 3: Cross multiply
    50,275.13x = 78,171.75 × 78,171.75
  4. Step 4: Simplify right side
    50,275.13x = 6,110,822,498.06
  5. Step 5: Solve for x
    x = 6,110,822,498.06/50,275.13
  6. Step 6: Final answer
    x = 121,547.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.