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Finding the Third Proportional to 17,904 and 28,440

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Solution

The third proportional to 17,904 and 28,440 is: 45,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,904 : 28,440 = 28,440 : x
  2. Step 2: Convert to fraction form
    17,904/28,440 = 28,440/x
  3. Step 3: Cross multiply
    17,904x = 28,440 × 28,440
  4. Step 4: Simplify right side
    17,904x = 808,833,600
  5. Step 5: Solve for x
    x = 808,833,600/17,904
  6. Step 6: Final answer
    x = 45,176.14

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.