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Finding the Third Proportional to 9,226,891 and 21,558,178

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Solution

The third proportional to 9,226,891 and 21,558,178 is: 50,369,624.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226,891 : 21,558,178 = 21,558,178 : x
  2. Step 2: Convert to fraction form
    9,226,891/21,558,178 = 21,558,178/x
  3. Step 3: Cross multiply
    9,226,891x = 21,558,178 × 21,558,178
  4. Step 4: Simplify right side
    9,226,891x = 464,755,038,679,684
  5. Step 5: Solve for x
    x = 464,755,038,679,684/9,226,891
  6. Step 6: Final answer
    x = 50,369,624.90

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.