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Finding the Third Proportional to 479,713 and 1,043,989

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Solution

The third proportional to 479,713 and 1,043,989 is: 2,272,010.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,713 : 1,043,989 = 1,043,989 : x
  2. Step 2: Convert to fraction form
    479,713/1,043,989 = 1,043,989/x
  3. Step 3: Cross multiply
    479,713x = 1,043,989 × 1,043,989
  4. Step 4: Simplify right side
    479,713x = 1,089,913,032,121
  5. Step 5: Solve for x
    x = 1,089,913,032,121/479,713
  6. Step 6: Final answer
    x = 2,272,010.62

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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.