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Finding the Third Proportional to 7,989,728 and 17,470,444

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Solution

The third proportional to 7,989,728 and 17,470,444 is: 38,201,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,728 : 17,470,444 = 17,470,444 : x
  2. Step 2: Convert to fraction form
    7,989,728/17,470,444 = 17,470,444/x
  3. Step 3: Cross multiply
    7,989,728x = 17,470,444 × 17,470,444
  4. Step 4: Simplify right side
    7,989,728x = 305,216,413,557,136
  5. Step 5: Solve for x
    x = 305,216,413,557,136/7,989,728
  6. Step 6: Final answer
    x = 38,201,101.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.