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Finding the Third Proportional to 27,994,320 and 40,031,921

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Solution

The third proportional to 27,994,320 and 40,031,921 is: 57,245,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,994,320 : 40,031,921 = 40,031,921 : x
  2. Step 2: Convert to fraction form
    27,994,320/40,031,921 = 40,031,921/x
  3. Step 3: Cross multiply
    27,994,320x = 40,031,921 × 40,031,921
  4. Step 4: Simplify right side
    27,994,320x = 1,602,554,698,950,241
  5. Step 5: Solve for x
    x = 1,602,554,698,950,241/27,994,320
  6. Step 6: Final answer
    x = 57,245,709.09

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.