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Finding the Third Proportional to 93,909 and 140,904

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Solution

The third proportional to 93,909 and 140,904 is: 211,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,909 : 140,904 = 140,904 : x
  2. Step 2: Convert to fraction form
    93,909/140,904 = 140,904/x
  3. Step 3: Cross multiply
    93,909x = 140,904 × 140,904
  4. Step 4: Simplify right side
    93,909x = 19,853,937,216
  5. Step 5: Solve for x
    x = 19,853,937,216/93,909
  6. Step 6: Final answer
    x = 211,416.77

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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.