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Finding the Third Proportional to 15,967.13 and 28,653.75

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Solution

The third proportional to 15,967.13 and 28,653.75 is: 51,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.13 : 28,653.75 = 28,653.75 : x
  2. Step 2: Convert to fraction form
    15,967.13/28,653.75 = 28,653.75/x
  3. Step 3: Cross multiply
    15,967.13x = 28,653.75 × 28,653.75
  4. Step 4: Simplify right side
    15,967.13x = 821,037,389.06
  5. Step 5: Solve for x
    x = 821,037,389.06/15,967.13
  6. Step 6: Final answer
    x = 51,420.49

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.