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Finding the Third Proportional to 52,869 and 77,842.50

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Solution

The third proportional to 52,869 and 77,842.50 is: 114,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869 : 77,842.50 = 77,842.50 : x
  2. Step 2: Convert to fraction form
    52,869/77,842.50 = 77,842.50/x
  3. Step 3: Cross multiply
    52,869x = 77,842.50 × 77,842.50
  4. Step 4: Simplify right side
    52,869x = 6,059,454,806.25
  5. Step 5: Solve for x
    x = 6,059,454,806.25/52,869
  6. Step 6: Final answer
    x = 114,612.62

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.