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Finding the Third Proportional to 25,455.50 and 68,863

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Solution

The third proportional to 25,455.50 and 68,863 is: 186,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.50 : 68,863 = 68,863 : x
  2. Step 2: Convert to fraction form
    25,455.50/68,863 = 68,863/x
  3. Step 3: Cross multiply
    25,455.50x = 68,863 × 68,863
  4. Step 4: Simplify right side
    25,455.50x = 4,742,112,769
  5. Step 5: Solve for x
    x = 4,742,112,769/25,455.50
  6. Step 6: Final answer
    x = 186,290.30

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.