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Finding the Third Proportional to 103,055 and 163,928

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Solution

The third proportional to 103,055 and 163,928 is: 260,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,055 : 163,928 = 163,928 : x
  2. Step 2: Convert to fraction form
    103,055/163,928 = 163,928/x
  3. Step 3: Cross multiply
    103,055x = 163,928 × 163,928
  4. Step 4: Simplify right side
    103,055x = 26,872,389,184
  5. Step 5: Solve for x
    x = 26,872,389,184/103,055
  6. Step 6: Final answer
    x = 260,757.74

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.