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Finding the Third Proportional to 97,776 and 146,880

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Solution

The third proportional to 97,776 and 146,880 is: 220,644.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,776 : 146,880 = 146,880 : x
  2. Step 2: Convert to fraction form
    97,776/146,880 = 146,880/x
  3. Step 3: Cross multiply
    97,776x = 146,880 × 146,880
  4. Step 4: Simplify right side
    97,776x = 21,573,734,400
  5. Step 5: Solve for x
    x = 21,573,734,400/97,776
  6. Step 6: Final answer
    x = 220,644.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.