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Finding the Third Proportional to 71,294 and 153,116

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Solution

The third proportional to 71,294 and 153,116 is: 328,842.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294 : 153,116 = 153,116 : x
  2. Step 2: Convert to fraction form
    71,294/153,116 = 153,116/x
  3. Step 3: Cross multiply
    71,294x = 153,116 × 153,116
  4. Step 4: Simplify right side
    71,294x = 23,444,509,456
  5. Step 5: Solve for x
    x = 23,444,509,456/71,294
  6. Step 6: Final answer
    x = 328,842.67

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.