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Finding the Third Proportional to 62,908 and 91,768

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Solution

The third proportional to 62,908 and 91,768 is: 133,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,908 : 91,768 = 91,768 : x
  2. Step 2: Convert to fraction form
    62,908/91,768 = 91,768/x
  3. Step 3: Cross multiply
    62,908x = 91,768 × 91,768
  4. Step 4: Simplify right side
    62,908x = 8,421,365,824
  5. Step 5: Solve for x
    x = 8,421,365,824/62,908
  6. Step 6: Final answer
    x = 133,867.96

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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.