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Finding the Third Proportional to 9,288,210 and 19,704,912

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Solution

The third proportional to 9,288,210 and 19,704,912 is: 41,803,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,210 : 19,704,912 = 19,704,912 : x
  2. Step 2: Convert to fraction form
    9,288,210/19,704,912 = 19,704,912/x
  3. Step 3: Cross multiply
    9,288,210x = 19,704,912 × 19,704,912
  4. Step 4: Simplify right side
    9,288,210x = 388,283,556,927,744
  5. Step 5: Solve for x
    x = 388,283,556,927,744/9,288,210
  6. Step 6: Final answer
    x = 41,803,916.68

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.