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Finding the Third Proportional to 7,524,870 and 11,355,145

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Solution

The third proportional to 7,524,870 and 11,355,145 is: 17,135,089.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,524,870 : 11,355,145 = 11,355,145 : x
  2. Step 2: Convert to fraction form
    7,524,870/11,355,145 = 11,355,145/x
  3. Step 3: Cross multiply
    7,524,870x = 11,355,145 × 11,355,145
  4. Step 4: Simplify right side
    7,524,870x = 128,939,317,971,025
  5. Step 5: Solve for x
    x = 128,939,317,971,025/7,524,870
  6. Step 6: Final answer
    x = 17,135,089.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.