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Finding the Third Proportional to 37,464 and 77,690

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Solution

The third proportional to 37,464 and 77,690 is: 161,107.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,464 : 77,690 = 77,690 : x
  2. Step 2: Convert to fraction form
    37,464/77,690 = 77,690/x
  3. Step 3: Cross multiply
    37,464x = 77,690 × 77,690
  4. Step 4: Simplify right side
    37,464x = 6,035,736,100
  5. Step 5: Solve for x
    x = 6,035,736,100/37,464
  6. Step 6: Final answer
    x = 161,107.63

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.