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Finding the Third Proportional to 7,053 and 15,489.75

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Solution

The third proportional to 7,053 and 15,489.75 is: 34,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053 : 15,489.75 = 15,489.75 : x
  2. Step 2: Convert to fraction form
    7,053/15,489.75 = 15,489.75/x
  3. Step 3: Cross multiply
    7,053x = 15,489.75 × 15,489.75
  4. Step 4: Simplify right side
    7,053x = 239,932,355.06
  5. Step 5: Solve for x
    x = 239,932,355.06/7,053
  6. Step 6: Final answer
    x = 34,018.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.