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Finding the Third Proportional to 61,536 and 91,152

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Solution

The third proportional to 61,536 and 91,152 is: 135,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536 : 91,152 = 91,152 : x
  2. Step 2: Convert to fraction form
    61,536/91,152 = 91,152/x
  3. Step 3: Cross multiply
    61,536x = 91,152 × 91,152
  4. Step 4: Simplify right side
    61,536x = 8,308,687,104
  5. Step 5: Solve for x
    x = 8,308,687,104/61,536
  6. Step 6: Final answer
    x = 135,021.57

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.