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Finding the Third Proportional to 51,937.50 and 77,967

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Solution

The third proportional to 51,937.50 and 77,967 is: 117,041.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,937.50 : 77,967 = 77,967 : x
  2. Step 2: Convert to fraction form
    51,937.50/77,967 = 77,967/x
  3. Step 3: Cross multiply
    51,937.50x = 77,967 × 77,967
  4. Step 4: Simplify right side
    51,937.50x = 6,078,853,089
  5. Step 5: Solve for x
    x = 6,078,853,089/51,937.50
  6. Step 6: Final answer
    x = 117,041.70

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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.