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Finding the Third Proportional to 1,990,914.19 and 3,074,382.84

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Solution

The third proportional to 1,990,914.19 and 3,074,382.84 is: 4,747,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,914.19 : 3,074,382.84 = 3,074,382.84 : x
  2. Step 2: Convert to fraction form
    1,990,914.19/3,074,382.84 = 3,074,382.84/x
  3. Step 3: Cross multiply
    1,990,914.19x = 3,074,382.84 × 3,074,382.84
  4. Step 4: Simplify right side
    1,990,914.19x = 9,451,829,869,944.34
  5. Step 5: Solve for x
    x = 9,451,829,869,944.34/1,990,914.19
  6. Step 6: Final answer
    x = 4,747,482.30

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.