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Finding the Third Proportional to 34,236 and 74,729

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Solution

The third proportional to 34,236 and 74,729 is: 163,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,236 : 74,729 = 74,729 : x
  2. Step 2: Convert to fraction form
    34,236/74,729 = 74,729/x
  3. Step 3: Cross multiply
    34,236x = 74,729 × 74,729
  4. Step 4: Simplify right side
    34,236x = 5,584,423,441
  5. Step 5: Solve for x
    x = 5,584,423,441/34,236
  6. Step 6: Final answer
    x = 163,115.53

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.