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Finding the Third Proportional to 59,435,161 and 129,421,809

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Solution

The third proportional to 59,435,161 and 129,421,809 is: 281,819,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,435,161 : 129,421,809 = 129,421,809 : x
  2. Step 2: Convert to fraction form
    59,435,161/129,421,809 = 129,421,809/x
  3. Step 3: Cross multiply
    59,435,161x = 129,421,809 × 129,421,809
  4. Step 4: Simplify right side
    59,435,161x = 16,750,004,644,832,480
  5. Step 5: Solve for x
    x = 16,750,004,644,832,480/59,435,161
  6. Step 6: Final answer
    x = 281,819,790.90

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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.