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Finding the Third Proportional to 4,189,151.50 and 9,124,790

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Solution

The third proportional to 4,189,151.50 and 9,124,790 is: 19,875,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,151.50 : 9,124,790 = 9,124,790 : x
  2. Step 2: Convert to fraction form
    4,189,151.50/9,124,790 = 9,124,790/x
  3. Step 3: Cross multiply
    4,189,151.50x = 9,124,790 × 9,124,790
  4. Step 4: Simplify right side
    4,189,151.50x = 83,261,792,544,100
  5. Step 5: Solve for x
    x = 83,261,792,544,100/4,189,151.50
  6. Step 6: Final answer
    x = 19,875,574.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.