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Finding the Third Proportional to 18,689,838.25 and 27,325,196.25

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Solution

The third proportional to 18,689,838.25 and 27,325,196.25 is: 39,950,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,838.25 : 27,325,196.25 = 27,325,196.25 : x
  2. Step 2: Convert to fraction form
    18,689,838.25/27,325,196.25 = 27,325,196.25/x
  3. Step 3: Cross multiply
    18,689,838.25x = 27,325,196.25 × 27,325,196.25
  4. Step 4: Simplify right side
    18,689,838.25x = 746,666,350,101,014
  5. Step 5: Solve for x
    x = 746,666,350,101,014/18,689,838.25
  6. Step 6: Final answer
    x = 39,950,391.23

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.