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Finding the Third Proportional to 9,090,339 and 19,622,868

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Solution

The third proportional to 9,090,339 and 19,622,868 is: 42,358,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090,339 : 19,622,868 = 19,622,868 : x
  2. Step 2: Convert to fraction form
    9,090,339/19,622,868 = 19,622,868/x
  3. Step 3: Cross multiply
    9,090,339x = 19,622,868 × 19,622,868
  4. Step 4: Simplify right side
    9,090,339x = 385,056,948,545,424
  5. Step 5: Solve for x
    x = 385,056,948,545,424/9,090,339
  6. Step 6: Final answer
    x = 42,358,920.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.