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Finding the Third Proportional to 101,408,605 and 221,400,122

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Solution

The third proportional to 101,408,605 and 221,400,122 is: 483,371,347.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,408,605 : 221,400,122 = 221,400,122 : x
  2. Step 2: Convert to fraction form
    101,408,605/221,400,122 = 221,400,122/x
  3. Step 3: Cross multiply
    101,408,605x = 221,400,122 × 221,400,122
  4. Step 4: Simplify right side
    101,408,605x = 49,018,014,021,614,880
  5. Step 5: Solve for x
    x = 49,018,014,021,614,880/101,408,605
  6. Step 6: Final answer
    x = 483,371,347.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.