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Finding the Third Proportional to 118,369 and 159,480

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Solution

The third proportional to 118,369 and 159,480 is: 214,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,369 : 159,480 = 159,480 : x
  2. Step 2: Convert to fraction form
    118,369/159,480 = 159,480/x
  3. Step 3: Cross multiply
    118,369x = 159,480 × 159,480
  4. Step 4: Simplify right side
    118,369x = 25,433,870,400
  5. Step 5: Solve for x
    x = 25,433,870,400/118,369
  6. Step 6: Final answer
    x = 214,869.35

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.