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Finding the Third Proportional to 6,147,128 and 9,021,396

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Solution

The third proportional to 6,147,128 and 9,021,396 is: 13,239,611.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,128 : 9,021,396 = 9,021,396 : x
  2. Step 2: Convert to fraction form
    6,147,128/9,021,396 = 9,021,396/x
  3. Step 3: Cross multiply
    6,147,128x = 9,021,396 × 9,021,396
  4. Step 4: Simplify right side
    6,147,128x = 81,385,585,788,816
  5. Step 5: Solve for x
    x = 81,385,585,788,816/6,147,128
  6. Step 6: Final answer
    x = 13,239,611.37

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.