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Finding the Third Proportional to 93,720 and 136,692

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Solution

The third proportional to 93,720 and 136,692 is: 199,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,720 : 136,692 = 136,692 : x
  2. Step 2: Convert to fraction form
    93,720/136,692 = 136,692/x
  3. Step 3: Cross multiply
    93,720x = 136,692 × 136,692
  4. Step 4: Simplify right side
    93,720x = 18,684,702,864
  5. Step 5: Solve for x
    x = 18,684,702,864/93,720
  6. Step 6: Final answer
    x = 199,367.29

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.