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Finding the Third Proportional to 7,308 and 15,979

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Solution

The third proportional to 7,308 and 15,979 is: 34,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308 : 15,979 = 15,979 : x
  2. Step 2: Convert to fraction form
    7,308/15,979 = 15,979/x
  3. Step 3: Cross multiply
    7,308x = 15,979 × 15,979
  4. Step 4: Simplify right side
    7,308x = 255,328,441
  5. Step 5: Solve for x
    x = 255,328,441/7,308
  6. Step 6: Final answer
    x = 34,938.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.