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Finding the Third Proportional to 163,401 and 252,382.50

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Solution

The third proportional to 163,401 and 252,382.50 is: 389,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,401 : 252,382.50 = 252,382.50 : x
  2. Step 2: Convert to fraction form
    163,401/252,382.50 = 252,382.50/x
  3. Step 3: Cross multiply
    163,401x = 252,382.50 × 252,382.50
  4. Step 4: Simplify right side
    163,401x = 63,696,926,306.25
  5. Step 5: Solve for x
    x = 63,696,926,306.25/163,401
  6. Step 6: Final answer
    x = 389,819.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.