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Finding the Third Proportional to 21,807 and 44,590.50

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Solution

The third proportional to 21,807 and 44,590.50 is: 91,177.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807 : 44,590.50 = 44,590.50 : x
  2. Step 2: Convert to fraction form
    21,807/44,590.50 = 44,590.50/x
  3. Step 3: Cross multiply
    21,807x = 44,590.50 × 44,590.50
  4. Step 4: Simplify right side
    21,807x = 1,988,312,690.25
  5. Step 5: Solve for x
    x = 1,988,312,690.25/21,807
  6. Step 6: Final answer
    x = 91,177.73

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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.