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Finding the Third Proportional to 28,098 and 61,272

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Solution

The third proportional to 28,098 and 61,272 is: 133,613.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,098 : 61,272 = 61,272 : x
  2. Step 2: Convert to fraction form
    28,098/61,272 = 61,272/x
  3. Step 3: Cross multiply
    28,098x = 61,272 × 61,272
  4. Step 4: Simplify right side
    28,098x = 3,754,257,984
  5. Step 5: Solve for x
    x = 3,754,257,984/28,098
  6. Step 6: Final answer
    x = 133,613.00

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.