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Finding the Third Proportional to 283,707 and 431,455.50

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Solution

The third proportional to 283,707 and 431,455.50 is: 656,148.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,707 : 431,455.50 = 431,455.50 : x
  2. Step 2: Convert to fraction form
    283,707/431,455.50 = 431,455.50/x
  3. Step 3: Cross multiply
    283,707x = 431,455.50 × 431,455.50
  4. Step 4: Simplify right side
    283,707x = 186,153,848,480.25
  5. Step 5: Solve for x
    x = 186,153,848,480.25/283,707
  6. Step 6: Final answer
    x = 656,148.24

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.