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Finding the Third Proportional to 61,238 and 93,680

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Solution

The third proportional to 61,238 and 93,680 is: 143,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238 : 93,680 = 93,680 : x
  2. Step 2: Convert to fraction form
    61,238/93,680 = 93,680/x
  3. Step 3: Cross multiply
    61,238x = 93,680 × 93,680
  4. Step 4: Simplify right side
    61,238x = 8,775,942,400
  5. Step 5: Solve for x
    x = 8,775,942,400/61,238
  6. Step 6: Final answer
    x = 143,308.77

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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.