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Finding the Third Proportional to 459,379 and 673,489.50

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Solution

The third proportional to 459,379 and 673,489.50 is: 987,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,379 : 673,489.50 = 673,489.50 : x
  2. Step 2: Convert to fraction form
    459,379/673,489.50 = 673,489.50/x
  3. Step 3: Cross multiply
    459,379x = 673,489.50 × 673,489.50
  4. Step 4: Simplify right side
    459,379x = 453,588,106,610.25
  5. Step 5: Solve for x
    x = 453,588,106,610.25/459,379
  6. Step 6: Final answer
    x = 987,394.08

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.