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Finding the Third Proportional to 34,242 and 74,713

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Solution

The third proportional to 34,242 and 74,713 is: 163,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,242 : 74,713 = 74,713 : x
  2. Step 2: Convert to fraction form
    34,242/74,713 = 74,713/x
  3. Step 3: Cross multiply
    34,242x = 74,713 × 74,713
  4. Step 4: Simplify right side
    34,242x = 5,582,032,369
  5. Step 5: Solve for x
    x = 5,582,032,369/34,242
  6. Step 6: Final answer
    x = 163,017.12

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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.