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Finding the Third Proportional to 32,940 and 68,076

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Solution

The third proportional to 32,940 and 68,076 is: 140,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940 : 68,076 = 68,076 : x
  2. Step 2: Convert to fraction form
    32,940/68,076 = 68,076/x
  3. Step 3: Cross multiply
    32,940x = 68,076 × 68,076
  4. Step 4: Simplify right side
    32,940x = 4,634,341,776
  5. Step 5: Solve for x
    x = 4,634,341,776/32,940
  6. Step 6: Final answer
    x = 140,690.40

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.