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Finding the Third Proportional to 8,123,690.25 and 17,647,863.75

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Solution

The third proportional to 8,123,690.25 and 17,647,863.75 is: 38,338,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,690.25 : 17,647,863.75 = 17,647,863.75 : x
  2. Step 2: Convert to fraction form
    8,123,690.25/17,647,863.75 = 17,647,863.75/x
  3. Step 3: Cross multiply
    8,123,690.25x = 17,647,863.75 × 17,647,863.75
  4. Step 4: Simplify right side
    8,123,690.25x = 311,447,094,938,564.06
  5. Step 5: Solve for x
    x = 311,447,094,938,564.06/8,123,690.25
  6. Step 6: Final answer
    x = 38,338,130.25

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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.