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Finding the Third Proportional to 293,442.75 and 642,927.38

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Solution

The third proportional to 293,442.75 and 642,927.38 is: 1,408,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,442.75 : 642,927.38 = 642,927.38 : x
  2. Step 2: Convert to fraction form
    293,442.75/642,927.38 = 642,927.38/x
  3. Step 3: Cross multiply
    293,442.75x = 642,927.38 × 642,927.38
  4. Step 4: Simplify right side
    293,442.75x = 413,355,609,524.39
  5. Step 5: Solve for x
    x = 413,355,609,524.39/293,442.75
  6. Step 6: Final answer
    x = 1,408,641.41

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.