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Finding the Third Proportional to 328,311.38 and 718,903.13

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Solution

The third proportional to 328,311.38 and 718,903.13 is: 1,574,181.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,311.38 : 718,903.13 = 718,903.13 : x
  2. Step 2: Convert to fraction form
    328,311.38/718,903.13 = 718,903.13/x
  3. Step 3: Cross multiply
    328,311.38x = 718,903.13 × 718,903.13
  4. Step 4: Simplify right side
    328,311.38x = 516,821,703,134.77
  5. Step 5: Solve for x
    x = 516,821,703,134.77/328,311.38
  6. Step 6: Final answer
    x = 1,574,181.53

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.