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Finding the Third Proportional to 62,428 and 136,888

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Solution

The third proportional to 62,428 and 136,888 is: 300,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,428 : 136,888 = 136,888 : x
  2. Step 2: Convert to fraction form
    62,428/136,888 = 136,888/x
  3. Step 3: Cross multiply
    62,428x = 136,888 × 136,888
  4. Step 4: Simplify right side
    62,428x = 18,738,324,544
  5. Step 5: Solve for x
    x = 18,738,324,544/62,428
  6. Step 6: Final answer
    x = 300,158.98

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.