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Finding the Third Proportional to 14,237 and 21,289.50

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Solution

The third proportional to 14,237 and 21,289.50 is: 31,835.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,237 : 21,289.50 = 21,289.50 : x
  2. Step 2: Convert to fraction form
    14,237/21,289.50 = 21,289.50/x
  3. Step 3: Cross multiply
    14,237x = 21,289.50 × 21,289.50
  4. Step 4: Simplify right side
    14,237x = 453,242,810.25
  5. Step 5: Solve for x
    x = 453,242,810.25/14,237
  6. Step 6: Final answer
    x = 31,835.56

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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.