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Finding the Third Proportional to 12,309 and 23,313

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Solution

The third proportional to 12,309 and 23,313 is: 44,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309 : 23,313 = 23,313 : x
  2. Step 2: Convert to fraction form
    12,309/23,313 = 23,313/x
  3. Step 3: Cross multiply
    12,309x = 23,313 × 23,313
  4. Step 4: Simplify right side
    12,309x = 543,495,969
  5. Step 5: Solve for x
    x = 543,495,969/12,309
  6. Step 6: Final answer
    x = 44,154.36

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.