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Finding the Third Proportional to 11,360 and 14,520

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Solution

The third proportional to 11,360 and 14,520 is: 18,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360 : 14,520 = 14,520 : x
  2. Step 2: Convert to fraction form
    11,360/14,520 = 14,520/x
  3. Step 3: Cross multiply
    11,360x = 14,520 × 14,520
  4. Step 4: Simplify right side
    11,360x = 210,830,400
  5. Step 5: Solve for x
    x = 210,830,400/11,360
  6. Step 6: Final answer
    x = 18,559.01

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.