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Finding the Third Proportional to 21,351 and 45,860.25

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Solution

The third proportional to 21,351 and 45,860.25 is: 98,504.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351 : 45,860.25 = 45,860.25 : x
  2. Step 2: Convert to fraction form
    21,351/45,860.25 = 45,860.25/x
  3. Step 3: Cross multiply
    21,351x = 45,860.25 × 45,860.25
  4. Step 4: Simplify right side
    21,351x = 2,103,162,530.06
  5. Step 5: Solve for x
    x = 2,103,162,530.06/21,351
  6. Step 6: Final answer
    x = 98,504.17

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.