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Finding the Third Proportional to 45,976.50 and 70,299

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Solution

The third proportional to 45,976.50 and 70,299 is: 107,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,976.50 : 70,299 = 70,299 : x
  2. Step 2: Convert to fraction form
    45,976.50/70,299 = 70,299/x
  3. Step 3: Cross multiply
    45,976.50x = 70,299 × 70,299
  4. Step 4: Simplify right side
    45,976.50x = 4,941,949,401
  5. Step 5: Solve for x
    x = 4,941,949,401/45,976.50
  6. Step 6: Final answer
    x = 107,488.60

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.