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Finding the Third Proportional to 9,030 and 19,530.75

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Solution

The third proportional to 9,030 and 19,530.75 is: 42,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030 : 19,530.75 = 19,530.75 : x
  2. Step 2: Convert to fraction form
    9,030/19,530.75 = 19,530.75/x
  3. Step 3: Cross multiply
    9,030x = 19,530.75 × 19,530.75
  4. Step 4: Simplify right side
    9,030x = 381,450,195.56
  5. Step 5: Solve for x
    x = 381,450,195.56/9,030
  6. Step 6: Final answer
    x = 42,242.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.