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Finding the Third Proportional to 258,135.75 and 607,329

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Solution

The third proportional to 258,135.75 and 607,329 is: 1,428,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,135.75 : 607,329 = 607,329 : x
  2. Step 2: Convert to fraction form
    258,135.75/607,329 = 607,329/x
  3. Step 3: Cross multiply
    258,135.75x = 607,329 × 607,329
  4. Step 4: Simplify right side
    258,135.75x = 368,848,514,241
  5. Step 5: Solve for x
    x = 368,848,514,241/258,135.75
  6. Step 6: Final answer
    x = 1,428,893.57

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.