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Finding the Third Proportional to 60,122 and 128,582

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Solution

The third proportional to 60,122 and 128,582 is: 274,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,122 : 128,582 = 128,582 : x
  2. Step 2: Convert to fraction form
    60,122/128,582 = 128,582/x
  3. Step 3: Cross multiply
    60,122x = 128,582 × 128,582
  4. Step 4: Simplify right side
    60,122x = 16,533,330,724
  5. Step 5: Solve for x
    x = 16,533,330,724/60,122
  6. Step 6: Final answer
    x = 274,996.35

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.