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Finding the Third Proportional to 9,237.80 and 20,235.45

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Solution

The third proportional to 9,237.80 and 20,235.45 is: 44,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.80 : 20,235.45 = 20,235.45 : x
  2. Step 2: Convert to fraction form
    9,237.80/20,235.45 = 20,235.45/x
  3. Step 3: Cross multiply
    9,237.80x = 20,235.45 × 20,235.45
  4. Step 4: Simplify right side
    9,237.80x = 409,473,247.00
  5. Step 5: Solve for x
    x = 409,473,247.00/9,237.80
  6. Step 6: Final answer
    x = 44,325.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.