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Finding the Third Proportional to 8,780.91 and 19,040.06

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Solution

The third proportional to 8,780.91 and 19,040.06 is: 41,285.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.91 : 19,040.06 = 19,040.06 : x
  2. Step 2: Convert to fraction form
    8,780.91/19,040.06 = 19,040.06/x
  3. Step 3: Cross multiply
    8,780.91x = 19,040.06 × 19,040.06
  4. Step 4: Simplify right side
    8,780.91x = 362,523,980.00
  5. Step 5: Solve for x
    x = 362,523,980.00/8,780.91
  6. Step 6: Final answer
    x = 41,285.49

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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.