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Finding the Third Proportional to 61,131 and 93,512

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Solution

The third proportional to 61,131 and 93,512 is: 143,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,131 : 93,512 = 93,512 : x
  2. Step 2: Convert to fraction form
    61,131/93,512 = 93,512/x
  3. Step 3: Cross multiply
    61,131x = 93,512 × 93,512
  4. Step 4: Simplify right side
    61,131x = 8,744,494,144
  5. Step 5: Solve for x
    x = 8,744,494,144/61,131
  6. Step 6: Final answer
    x = 143,045.17

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.