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Finding the Third Proportional to 21,282.75 and 46,089

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Solution

The third proportional to 21,282.75 and 46,089 is: 99,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,282.75 : 46,089 = 46,089 : x
  2. Step 2: Convert to fraction form
    21,282.75/46,089 = 46,089/x
  3. Step 3: Cross multiply
    21,282.75x = 46,089 × 46,089
  4. Step 4: Simplify right side
    21,282.75x = 2,124,195,921
  5. Step 5: Solve for x
    x = 2,124,195,921/21,282.75
  6. Step 6: Final answer
    x = 99,808.34

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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.