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Finding the Third Proportional to 27,280 and 57,476

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Solution

The third proportional to 27,280 and 57,476 is: 121,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280 : 57,476 = 57,476 : x
  2. Step 2: Convert to fraction form
    27,280/57,476 = 57,476/x
  3. Step 3: Cross multiply
    27,280x = 57,476 × 57,476
  4. Step 4: Simplify right side
    27,280x = 3,303,490,576
  5. Step 5: Solve for x
    x = 3,303,490,576/27,280
  6. Step 6: Final answer
    x = 121,095.70

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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.