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Finding the Third Proportional to 307,248.75 and 670,779

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Solution

The third proportional to 307,248.75 and 670,779 is: 1,464,430.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,248.75 : 670,779 = 670,779 : x
  2. Step 2: Convert to fraction form
    307,248.75/670,779 = 670,779/x
  3. Step 3: Cross multiply
    307,248.75x = 670,779 × 670,779
  4. Step 4: Simplify right side
    307,248.75x = 449,944,466,841
  5. Step 5: Solve for x
    x = 449,944,466,841/307,248.75
  6. Step 6: Final answer
    x = 1,464,430.59

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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.