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Finding the Third Proportional to 5,430,476 and 10,723,888

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Solution

The third proportional to 5,430,476 and 10,723,888 is: 21,177,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,476 : 10,723,888 = 10,723,888 : x
  2. Step 2: Convert to fraction form
    5,430,476/10,723,888 = 10,723,888/x
  3. Step 3: Cross multiply
    5,430,476x = 10,723,888 × 10,723,888
  4. Step 4: Simplify right side
    5,430,476x = 115,001,773,836,544
  5. Step 5: Solve for x
    x = 115,001,773,836,544/5,430,476
  6. Step 6: Final answer
    x = 21,177,107.46

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.