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Finding the Third Proportional to 9,219,930 and 13,530,955

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Solution

The third proportional to 9,219,930 and 13,530,955 is: 19,857,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219,930 : 13,530,955 = 13,530,955 : x
  2. Step 2: Convert to fraction form
    9,219,930/13,530,955 = 13,530,955/x
  3. Step 3: Cross multiply
    9,219,930x = 13,530,955 × 13,530,955
  4. Step 4: Simplify right side
    9,219,930x = 183,086,743,212,025
  5. Step 5: Solve for x
    x = 183,086,743,212,025/9,219,930
  6. Step 6: Final answer
    x = 19,857,715.10

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.