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Finding the Third Proportional to 62,431.50 and 93,279

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Solution

The third proportional to 62,431.50 and 93,279 is: 139,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,431.50 : 93,279 = 93,279 : x
  2. Step 2: Convert to fraction form
    62,431.50/93,279 = 93,279/x
  3. Step 3: Cross multiply
    62,431.50x = 93,279 × 93,279
  4. Step 4: Simplify right side
    62,431.50x = 8,700,971,841
  5. Step 5: Solve for x
    x = 8,700,971,841/62,431.50
  6. Step 6: Final answer
    x = 139,368.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.