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Finding the Third Proportional to 60,201 and 128,178

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Solution

The third proportional to 60,201 and 128,178 is: 272,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,201 : 128,178 = 128,178 : x
  2. Step 2: Convert to fraction form
    60,201/128,178 = 128,178/x
  3. Step 3: Cross multiply
    60,201x = 128,178 × 128,178
  4. Step 4: Simplify right side
    60,201x = 16,429,599,684
  5. Step 5: Solve for x
    x = 16,429,599,684/60,201
  6. Step 6: Final answer
    x = 272,912.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.