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Finding the Third Proportional to 163,252.88 and 252,267.38

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Solution

The third proportional to 163,252.88 and 252,267.38 is: 389,817.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,252.88 : 252,267.38 = 252,267.38 : x
  2. Step 2: Convert to fraction form
    163,252.88/252,267.38 = 252,267.38/x
  3. Step 3: Cross multiply
    163,252.88x = 252,267.38 × 252,267.38
  4. Step 4: Simplify right side
    163,252.88x = 63,638,828,489.39
  5. Step 5: Solve for x
    x = 63,638,828,489.39/163,252.88
  6. Step 6: Final answer
    x = 389,817.51

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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.