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Finding the Third Proportional to 129,392 and 205,752

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Solution

The third proportional to 129,392 and 205,752 is: 327,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,392 : 205,752 = 205,752 : x
  2. Step 2: Convert to fraction form
    129,392/205,752 = 205,752/x
  3. Step 3: Cross multiply
    129,392x = 205,752 × 205,752
  4. Step 4: Simplify right side
    129,392x = 42,333,885,504
  5. Step 5: Solve for x
    x = 42,333,885,504/129,392
  6. Step 6: Final answer
    x = 327,175.45

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.