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Finding the Third Proportional to 131,460 and 214,641

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Solution

The third proportional to 131,460 and 214,641 is: 350,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,460 : 214,641 = 214,641 : x
  2. Step 2: Convert to fraction form
    131,460/214,641 = 214,641/x
  3. Step 3: Cross multiply
    131,460x = 214,641 × 214,641
  4. Step 4: Simplify right side
    131,460x = 46,070,758,881
  5. Step 5: Solve for x
    x = 46,070,758,881/131,460
  6. Step 6: Final answer
    x = 350,454.58

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.