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Finding the Third Proportional to 15,152 and 31,356

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Solution

The third proportional to 15,152 and 31,356 is: 64,889.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152 : 31,356 = 31,356 : x
  2. Step 2: Convert to fraction form
    15,152/31,356 = 31,356/x
  3. Step 3: Cross multiply
    15,152x = 31,356 × 31,356
  4. Step 4: Simplify right side
    15,152x = 983,198,736
  5. Step 5: Solve for x
    x = 983,198,736/15,152
  6. Step 6: Final answer
    x = 64,889.04

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.