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Finding the Third Proportional to 14,595.50 and 21,255

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Solution

The third proportional to 14,595.50 and 21,255 is: 30,953.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,595.50 : 21,255 = 21,255 : x
  2. Step 2: Convert to fraction form
    14,595.50/21,255 = 21,255/x
  3. Step 3: Cross multiply
    14,595.50x = 21,255 × 21,255
  4. Step 4: Simplify right side
    14,595.50x = 451,775,025
  5. Step 5: Solve for x
    x = 451,775,025/14,595.50
  6. Step 6: Final answer
    x = 30,953.04

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.