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Finding the Third Proportional to 45,414 and 70,233

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Solution

The third proportional to 45,414 and 70,233 is: 108,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414 : 70,233 = 70,233 : x
  2. Step 2: Convert to fraction form
    45,414/70,233 = 70,233/x
  3. Step 3: Cross multiply
    45,414x = 70,233 × 70,233
  4. Step 4: Simplify right side
    45,414x = 4,932,674,289
  5. Step 5: Solve for x
    x = 4,932,674,289/45,414
  6. Step 6: Final answer
    x = 108,615.72

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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.