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Finding the Third Proportional to 15,364 and 31,370

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Solution

The third proportional to 15,364 and 31,370 is: 64,050.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364 : 31,370 = 31,370 : x
  2. Step 2: Convert to fraction form
    15,364/31,370 = 31,370/x
  3. Step 3: Cross multiply
    15,364x = 31,370 × 31,370
  4. Step 4: Simplify right side
    15,364x = 984,076,900
  5. Step 5: Solve for x
    x = 984,076,900/15,364
  6. Step 6: Final answer
    x = 64,050.83

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.