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Finding the Third Proportional to 358,975 and 783,146

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Solution

The third proportional to 358,975 and 783,146 is: 1,708,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,975 : 783,146 = 783,146 : x
  2. Step 2: Convert to fraction form
    358,975/783,146 = 783,146/x
  3. Step 3: Cross multiply
    358,975x = 783,146 × 783,146
  4. Step 4: Simplify right side
    358,975x = 613,317,657,316
  5. Step 5: Solve for x
    x = 613,317,657,316/358,975
  6. Step 6: Final answer
    x = 1,708,524.71

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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.