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Finding the Third Proportional to 76,335.50 and 162,815.50

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Solution

The third proportional to 76,335.50 and 162,815.50 is: 347,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,335.50 : 162,815.50 = 162,815.50 : x
  2. Step 2: Convert to fraction form
    76,335.50/162,815.50 = 162,815.50/x
  3. Step 3: Cross multiply
    76,335.50x = 162,815.50 × 162,815.50
  4. Step 4: Simplify right side
    76,335.50x = 26,508,887,040.25
  5. Step 5: Solve for x
    x = 26,508,887,040.25/76,335.50
  6. Step 6: Final answer
    x = 347,268.14

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.