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Finding the Third Proportional to 12,915 and 27,383.63

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Solution

The third proportional to 12,915 and 27,383.63 is: 58,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915 : 27,383.63 = 27,383.63 : x
  2. Step 2: Convert to fraction form
    12,915/27,383.63 = 27,383.63/x
  3. Step 3: Cross multiply
    12,915x = 27,383.63 × 27,383.63
  4. Step 4: Simplify right side
    12,915x = 749,862,918.14
  5. Step 5: Solve for x
    x = 749,862,918.14/12,915
  6. Step 6: Final answer
    x = 58,061.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.