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Finding the Third Proportional to 163,110 and 252,087

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Solution

The third proportional to 163,110 and 252,087 is: 389,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,110 : 252,087 = 252,087 : x
  2. Step 2: Convert to fraction form
    163,110/252,087 = 252,087/x
  3. Step 3: Cross multiply
    163,110x = 252,087 × 252,087
  4. Step 4: Simplify right side
    163,110x = 63,547,855,569
  5. Step 5: Solve for x
    x = 63,547,855,569/163,110
  6. Step 6: Final answer
    x = 389,601.22

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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.