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Finding the Third Proportional to 5,130 and 11,118

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Solution

The third proportional to 5,130 and 11,118 is: 24,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130 : 11,118 = 11,118 : x
  2. Step 2: Convert to fraction form
    5,130/11,118 = 11,118/x
  3. Step 3: Cross multiply
    5,130x = 11,118 × 11,118
  4. Step 4: Simplify right side
    5,130x = 123,609,924
  5. Step 5: Solve for x
    x = 123,609,924/5,130
  6. Step 6: Final answer
    x = 24,095.50

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.