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Finding the Third Proportional to 30,953 and 67,495

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Solution

The third proportional to 30,953 and 67,495 is: 147,177.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953 : 67,495 = 67,495 : x
  2. Step 2: Convert to fraction form
    30,953/67,495 = 67,495/x
  3. Step 3: Cross multiply
    30,953x = 67,495 × 67,495
  4. Step 4: Simplify right side
    30,953x = 4,555,575,025
  5. Step 5: Solve for x
    x = 4,555,575,025/30,953
  6. Step 6: Final answer
    x = 147,177.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.