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Finding the Third Proportional to 91,206,777 and 200,654,730

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Solution

The third proportional to 91,206,777 and 200,654,730 is: 441,440,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,206,777 : 200,654,730 = 200,654,730 : x
  2. Step 2: Convert to fraction form
    91,206,777/200,654,730 = 200,654,730/x
  3. Step 3: Cross multiply
    91,206,777x = 200,654,730 × 200,654,730
  4. Step 4: Simplify right side
    91,206,777x = 40,262,320,671,372,896
  5. Step 5: Solve for x
    x = 40,262,320,671,372,896/91,206,777
  6. Step 6: Final answer
    x = 441,440,011.32

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.