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Finding the Third Proportional to 9,130 and 12,934

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Solution

The third proportional to 9,130 and 12,934 is: 18,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130 : 12,934 = 12,934 : x
  2. Step 2: Convert to fraction form
    9,130/12,934 = 12,934/x
  3. Step 3: Cross multiply
    9,130x = 12,934 × 12,934
  4. Step 4: Simplify right side
    9,130x = 167,288,356
  5. Step 5: Solve for x
    x = 167,288,356/9,130
  6. Step 6: Final answer
    x = 18,322.93

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.