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Finding the Third Proportional to 61,164 and 93,690

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Solution

The third proportional to 61,164 and 93,690 is: 143,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,164 : 93,690 = 93,690 : x
  2. Step 2: Convert to fraction form
    61,164/93,690 = 93,690/x
  3. Step 3: Cross multiply
    61,164x = 93,690 × 93,690
  4. Step 4: Simplify right side
    61,164x = 8,777,816,100
  5. Step 5: Solve for x
    x = 8,777,816,100/61,164
  6. Step 6: Final answer
    x = 143,512.79

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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.