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Finding the Third Proportional to 51,276 and 74,898

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Solution

The third proportional to 51,276 and 74,898 is: 109,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,276 : 74,898 = 74,898 : x
  2. Step 2: Convert to fraction form
    51,276/74,898 = 74,898/x
  3. Step 3: Cross multiply
    51,276x = 74,898 × 74,898
  4. Step 4: Simplify right side
    51,276x = 5,609,710,404
  5. Step 5: Solve for x
    x = 5,609,710,404/51,276
  6. Step 6: Final answer
    x = 109,402.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.