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Finding the Third Proportional to 63,085 and 135,470

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Solution

The third proportional to 63,085 and 135,470 is: 290,911.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,085 : 135,470 = 135,470 : x
  2. Step 2: Convert to fraction form
    63,085/135,470 = 135,470/x
  3. Step 3: Cross multiply
    63,085x = 135,470 × 135,470
  4. Step 4: Simplify right side
    63,085x = 18,352,120,900
  5. Step 5: Solve for x
    x = 18,352,120,900/63,085
  6. Step 6: Final answer
    x = 290,911.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.