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Finding the Third Proportional to 15,509 and 23,453

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Solution

The third proportional to 15,509 and 23,453 is: 35,466.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509 : 23,453 = 23,453 : x
  2. Step 2: Convert to fraction form
    15,509/23,453 = 23,453/x
  3. Step 3: Cross multiply
    15,509x = 23,453 × 23,453
  4. Step 4: Simplify right side
    15,509x = 550,043,209
  5. Step 5: Solve for x
    x = 550,043,209/15,509
  6. Step 6: Final answer
    x = 35,466.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.