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Finding the Third Proportional to 64,637 and 135,130

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Solution

The third proportional to 64,637 and 135,130 is: 282,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,637 : 135,130 = 135,130 : x
  2. Step 2: Convert to fraction form
    64,637/135,130 = 135,130/x
  3. Step 3: Cross multiply
    64,637x = 135,130 × 135,130
  4. Step 4: Simplify right side
    64,637x = 18,260,116,900
  5. Step 5: Solve for x
    x = 18,260,116,900/64,637
  6. Step 6: Final answer
    x = 282,502.54

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.