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Finding the Third Proportional to 51,602 and 79,752

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Solution

The third proportional to 51,602 and 79,752 is: 123,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,602 : 79,752 = 79,752 : x
  2. Step 2: Convert to fraction form
    51,602/79,752 = 79,752/x
  3. Step 3: Cross multiply
    51,602x = 79,752 × 79,752
  4. Step 4: Simplify right side
    51,602x = 6,360,381,504
  5. Step 5: Solve for x
    x = 6,360,381,504/51,602
  6. Step 6: Final answer
    x = 123,258.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.