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Finding the Third Proportional to 60,318 and 127,440

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Solution

The third proportional to 60,318 and 127,440 is: 269,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,318 : 127,440 = 127,440 : x
  2. Step 2: Convert to fraction form
    60,318/127,440 = 127,440/x
  3. Step 3: Cross multiply
    60,318x = 127,440 × 127,440
  4. Step 4: Simplify right side
    60,318x = 16,240,953,600
  5. Step 5: Solve for x
    x = 16,240,953,600/60,318
  6. Step 6: Final answer
    x = 269,255.51

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.