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Finding the Third Proportional to 60,200 and 128,174

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Solution

The third proportional to 60,200 and 128,174 is: 272,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,200 : 128,174 = 128,174 : x
  2. Step 2: Convert to fraction form
    60,200/128,174 = 128,174/x
  3. Step 3: Cross multiply
    60,200x = 128,174 × 128,174
  4. Step 4: Simplify right side
    60,200x = 16,428,574,276
  5. Step 5: Solve for x
    x = 16,428,574,276/60,200
  6. Step 6: Final answer
    x = 272,899.90

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.