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Finding the Third Proportional to 64,635.75 and 137,097

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Solution

The third proportional to 64,635.75 and 137,097 is: 290,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,635.75 : 137,097 = 137,097 : x
  2. Step 2: Convert to fraction form
    64,635.75/137,097 = 137,097/x
  3. Step 3: Cross multiply
    64,635.75x = 137,097 × 137,097
  4. Step 4: Simplify right side
    64,635.75x = 18,795,587,409
  5. Step 5: Solve for x
    x = 18,795,587,409/64,635.75
  6. Step 6: Final answer
    x = 290,792.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.