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Finding the Third Proportional to 20,576.88 and 45,085.81

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Solution

The third proportional to 20,576.88 and 45,085.81 is: 98,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.88 : 45,085.81 = 45,085.81 : x
  2. Step 2: Convert to fraction form
    20,576.88/45,085.81 = 45,085.81/x
  3. Step 3: Cross multiply
    20,576.88x = 45,085.81 × 45,085.81
  4. Step 4: Simplify right side
    20,576.88x = 2,032,730,488.79
  5. Step 5: Solve for x
    x = 2,032,730,488.79/20,576.88
  6. Step 6: Final answer
    x = 98,787.13

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