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Finding the Third Proportional to 916,171.50 and 1,994,991

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Solution

The third proportional to 916,171.50 and 1,994,991 is: 4,344,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,171.50 : 1,994,991 = 1,994,991 : x
  2. Step 2: Convert to fraction form
    916,171.50/1,994,991 = 1,994,991/x
  3. Step 3: Cross multiply
    916,171.50x = 1,994,991 × 1,994,991
  4. Step 4: Simplify right side
    916,171.50x = 3,979,989,090,081
  5. Step 5: Solve for x
    x = 3,979,989,090,081/916,171.50
  6. Step 6: Final answer
    x = 4,344,152.91

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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.