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Finding the Third Proportional to 9,138,648 and 20,071,011

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Solution

The third proportional to 9,138,648 and 20,071,011 is: 44,081,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,648 : 20,071,011 = 20,071,011 : x
  2. Step 2: Convert to fraction form
    9,138,648/20,071,011 = 20,071,011/x
  3. Step 3: Cross multiply
    9,138,648x = 20,071,011 × 20,071,011
  4. Step 4: Simplify right side
    9,138,648x = 402,845,482,562,121
  5. Step 5: Solve for x
    x = 402,845,482,562,121/9,138,648
  6. Step 6: Final answer
    x = 44,081,518.68

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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.