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Finding the Third Proportional to 11,435 and 16,320.50

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Solution

The third proportional to 11,435 and 16,320.50 is: 23,293.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,435 : 16,320.50 = 16,320.50 : x
  2. Step 2: Convert to fraction form
    11,435/16,320.50 = 16,320.50/x
  3. Step 3: Cross multiply
    11,435x = 16,320.50 × 16,320.50
  4. Step 4: Simplify right side
    11,435x = 266,358,720.25
  5. Step 5: Solve for x
    x = 266,358,720.25/11,435
  6. Step 6: Final answer
    x = 23,293.29

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.