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Finding the Third Proportional to 7,221,552 and 11,218,062

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Solution

The third proportional to 7,221,552 and 11,218,062 is: 17,426,297.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,552 : 11,218,062 = 11,218,062 : x
  2. Step 2: Convert to fraction form
    7,221,552/11,218,062 = 11,218,062/x
  3. Step 3: Cross multiply
    7,221,552x = 11,218,062 × 11,218,062
  4. Step 4: Simplify right side
    7,221,552x = 125,844,915,035,844
  5. Step 5: Solve for x
    x = 125,844,915,035,844/7,221,552
  6. Step 6: Final answer
    x = 17,426,297.70

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.