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Finding the Third Proportional to 135,868 and 297,953

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Solution

The third proportional to 135,868 and 297,953 is: 653,398.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,868 : 297,953 = 297,953 : x
  2. Step 2: Convert to fraction form
    135,868/297,953 = 297,953/x
  3. Step 3: Cross multiply
    135,868x = 297,953 × 297,953
  4. Step 4: Simplify right side
    135,868x = 88,775,990,209
  5. Step 5: Solve for x
    x = 88,775,990,209/135,868
  6. Step 6: Final answer
    x = 653,398.82

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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.