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Finding the Third Proportional to 21,579.75 and 44,658

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Solution

The third proportional to 21,579.75 and 44,658 is: 92,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.75 : 44,658 = 44,658 : x
  2. Step 2: Convert to fraction form
    21,579.75/44,658 = 44,658/x
  3. Step 3: Cross multiply
    21,579.75x = 44,658 × 44,658
  4. Step 4: Simplify right side
    21,579.75x = 1,994,336,964
  5. Step 5: Solve for x
    x = 1,994,336,964/21,579.75
  6. Step 6: Final answer
    x = 92,417.06

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.