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Finding the Third Proportional to 99,301,574 and 154,987,266

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Solution

The third proportional to 99,301,574 and 154,987,266 is: 241,900,018.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,301,574 : 154,987,266 = 154,987,266 : x
  2. Step 2: Convert to fraction form
    99,301,574/154,987,266 = 154,987,266/x
  3. Step 3: Cross multiply
    99,301,574x = 154,987,266 × 154,987,266
  4. Step 4: Simplify right side
    99,301,574x = 24,021,052,622,154,756
  5. Step 5: Solve for x
    x = 24,021,052,622,154,756/99,301,574
  6. Step 6: Final answer
    x = 241,900,018.85

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.