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Finding the Third Proportional to 9,201,906 and 19,937,372

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Solution

The third proportional to 9,201,906 and 19,937,372 is: 43,197,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,201,906 : 19,937,372 = 19,937,372 : x
  2. Step 2: Convert to fraction form
    9,201,906/19,937,372 = 19,937,372/x
  3. Step 3: Cross multiply
    9,201,906x = 19,937,372 × 19,937,372
  4. Step 4: Simplify right side
    9,201,906x = 397,498,802,266,384
  5. Step 5: Solve for x
    x = 397,498,802,266,384/9,201,906
  6. Step 6: Final answer
    x = 43,197,442.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.