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Finding the Third Proportional to 374,464.90 and 818,991.16

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Solution

The third proportional to 374,464.90 and 818,991.16 is: 1,791,213.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,464.90 : 818,991.16 = 818,991.16 : x
  2. Step 2: Convert to fraction form
    374,464.90/818,991.16 = 818,991.16/x
  3. Step 3: Cross multiply
    374,464.90x = 818,991.16 × 818,991.16
  4. Step 4: Simplify right side
    374,464.90x = 670,746,517,214.89
  5. Step 5: Solve for x
    x = 670,746,517,214.89/374,464.90
  6. Step 6: Final answer
    x = 1,791,213.33

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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.