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Finding the Third Proportional to 9,178 and 15,810

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Solution

The third proportional to 9,178 and 15,810 is: 27,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178 : 15,810 = 15,810 : x
  2. Step 2: Convert to fraction form
    9,178/15,810 = 15,810/x
  3. Step 3: Cross multiply
    9,178x = 15,810 × 15,810
  4. Step 4: Simplify right side
    9,178x = 249,956,100
  5. Step 5: Solve for x
    x = 249,956,100/9,178
  6. Step 6: Final answer
    x = 27,234.27

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.