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Finding the Third Proportional to 14,431 and 21,588.50

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Solution

The third proportional to 14,431 and 21,588.50 is: 32,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431 : 21,588.50 = 21,588.50 : x
  2. Step 2: Convert to fraction form
    14,431/21,588.50 = 21,588.50/x
  3. Step 3: Cross multiply
    14,431x = 21,588.50 × 21,588.50
  4. Step 4: Simplify right side
    14,431x = 466,063,332.25
  5. Step 5: Solve for x
    x = 466,063,332.25/14,431
  6. Step 6: Final answer
    x = 32,295.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.