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Finding the Third Proportional to 984,100 and 2,119,129

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Solution

The third proportional to 984,100 and 2,119,129 is: 4,563,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,100 : 2,119,129 = 2,119,129 : x
  2. Step 2: Convert to fraction form
    984,100/2,119,129 = 2,119,129/x
  3. Step 3: Cross multiply
    984,100x = 2,119,129 × 2,119,129
  4. Step 4: Simplify right side
    984,100x = 4,490,707,718,641
  5. Step 5: Solve for x
    x = 4,490,707,718,641/984,100
  6. Step 6: Final answer
    x = 4,563,263.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.