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Finding the Third Proportional to 32,218 and 69,971

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Solution

The third proportional to 32,218 and 69,971 is: 151,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,218 : 69,971 = 69,971 : x
  2. Step 2: Convert to fraction form
    32,218/69,971 = 69,971/x
  3. Step 3: Cross multiply
    32,218x = 69,971 × 69,971
  4. Step 4: Simplify right side
    32,218x = 4,895,940,841
  5. Step 5: Solve for x
    x = 4,895,940,841/32,218
  6. Step 6: Final answer
    x = 151,962.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.