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Finding the Third Proportional to 4,557.50 and 9,904

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Solution

The third proportional to 4,557.50 and 9,904 is: 21,522.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.50 : 9,904 = 9,904 : x
  2. Step 2: Convert to fraction form
    4,557.50/9,904 = 9,904/x
  3. Step 3: Cross multiply
    4,557.50x = 9,904 × 9,904
  4. Step 4: Simplify right side
    4,557.50x = 98,089,216
  5. Step 5: Solve for x
    x = 98,089,216/4,557.50
  6. Step 6: Final answer
    x = 21,522.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.