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Finding the Third Proportional to 93,976 and 143,940

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Solution

The third proportional to 93,976 and 143,940 is: 220,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,976 : 143,940 = 143,940 : x
  2. Step 2: Convert to fraction form
    93,976/143,940 = 143,940/x
  3. Step 3: Cross multiply
    93,976x = 143,940 × 143,940
  4. Step 4: Simplify right side
    93,976x = 20,718,723,600
  5. Step 5: Solve for x
    x = 20,718,723,600/93,976
  6. Step 6: Final answer
    x = 220,468.24

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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.