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Finding the Third Proportional to 303,927.75 and 661,368.38

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Solution

The third proportional to 303,927.75 and 661,368.38 is: 1,439,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,927.75 : 661,368.38 = 661,368.38 : x
  2. Step 2: Convert to fraction form
    303,927.75/661,368.38 = 661,368.38/x
  3. Step 3: Cross multiply
    303,927.75x = 661,368.38 × 661,368.38
  4. Step 4: Simplify right side
    303,927.75x = 437,408,127,450.14
  5. Step 5: Solve for x
    x = 437,408,127,450.14/303,927.75
  6. Step 6: Final answer
    x = 1,439,184.57

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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.