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Finding the Third Proportional to 75,368 and 116,648

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Solution

The third proportional to 75,368 and 116,648 is: 180,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,368 : 116,648 = 116,648 : x
  2. Step 2: Convert to fraction form
    75,368/116,648 = 116,648/x
  3. Step 3: Cross multiply
    75,368x = 116,648 × 116,648
  4. Step 4: Simplify right side
    75,368x = 13,606,755,904
  5. Step 5: Solve for x
    x = 13,606,755,904/75,368
  6. Step 6: Final answer
    x = 180,537.57

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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.