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Finding the Third Proportional to 45,486 and 70,176

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Solution

The third proportional to 45,486 and 70,176 is: 108,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,486 : 70,176 = 70,176 : x
  2. Step 2: Convert to fraction form
    45,486/70,176 = 70,176/x
  3. Step 3: Cross multiply
    45,486x = 70,176 × 70,176
  4. Step 4: Simplify right side
    45,486x = 4,924,670,976
  5. Step 5: Solve for x
    x = 4,924,670,976/45,486
  6. Step 6: Final answer
    x = 108,267.84

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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.