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Finding the Third Proportional to 9,315 and 19,041

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Solution

The third proportional to 9,315 and 19,041 is: 38,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315 : 19,041 = 19,041 : x
  2. Step 2: Convert to fraction form
    9,315/19,041 = 19,041/x
  3. Step 3: Cross multiply
    9,315x = 19,041 × 19,041
  4. Step 4: Simplify right side
    9,315x = 362,559,681
  5. Step 5: Solve for x
    x = 362,559,681/9,315
  6. Step 6: Final answer
    x = 38,922.13

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.