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Finding the Third Proportional to 38,658 and 51,297

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Solution

The third proportional to 38,658 and 51,297 is: 68,068.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,658 : 51,297 = 51,297 : x
  2. Step 2: Convert to fraction form
    38,658/51,297 = 51,297/x
  3. Step 3: Cross multiply
    38,658x = 51,297 × 51,297
  4. Step 4: Simplify right side
    38,658x = 2,631,382,209
  5. Step 5: Solve for x
    x = 2,631,382,209/38,658
  6. Step 6: Final answer
    x = 68,068.24

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.