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Finding the Third Proportional to 5,904 and 7,915.50

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Solution

The third proportional to 5,904 and 7,915.50 is: 10,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904 : 7,915.50 = 7,915.50 : x
  2. Step 2: Convert to fraction form
    5,904/7,915.50 = 7,915.50/x
  3. Step 3: Cross multiply
    5,904x = 7,915.50 × 7,915.50
  4. Step 4: Simplify right side
    5,904x = 62,655,140.25
  5. Step 5: Solve for x
    x = 62,655,140.25/5,904
  6. Step 6: Final answer
    x = 10,612.32

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.