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Finding the Third Proportional to 19,823,247 and 27,915,921

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Solution

The third proportional to 19,823,247 and 27,915,921 is: 39,312,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823,247 : 27,915,921 = 27,915,921 : x
  2. Step 2: Convert to fraction form
    19,823,247/27,915,921 = 27,915,921/x
  3. Step 3: Cross multiply
    19,823,247x = 27,915,921 × 27,915,921
  4. Step 4: Simplify right side
    19,823,247x = 779,298,645,278,241
  5. Step 5: Solve for x
    x = 779,298,645,278,241/19,823,247
  6. Step 6: Final answer
    x = 39,312,361.15

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.