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Finding the Third Proportional to 99,110,455 and 217,279,804

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Solution

The third proportional to 99,110,455 and 217,279,804 is: 476,342,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,110,455 : 217,279,804 = 217,279,804 : x
  2. Step 2: Convert to fraction form
    99,110,455/217,279,804 = 217,279,804/x
  3. Step 3: Cross multiply
    99,110,455x = 217,279,804 × 217,279,804
  4. Step 4: Simplify right side
    99,110,455x = 47,210,513,226,278,416
  5. Step 5: Solve for x
    x = 47,210,513,226,278,416/99,110,455
  6. Step 6: Final answer
    x = 476,342,412.37

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.