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Finding the Third Proportional to 51,894 and 77,841

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Solution

The third proportional to 51,894 and 77,841 is: 116,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,894 : 77,841 = 77,841 : x
  2. Step 2: Convert to fraction form
    51,894/77,841 = 77,841/x
  3. Step 3: Cross multiply
    51,894x = 77,841 × 77,841
  4. Step 4: Simplify right side
    51,894x = 6,059,221,281
  5. Step 5: Solve for x
    x = 6,059,221,281/51,894
  6. Step 6: Final answer
    x = 116,761.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.