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Finding the Third Proportional to 12,160 and 26,260

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Solution

The third proportional to 12,160 and 26,260 is: 56,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160 : 26,260 = 26,260 : x
  2. Step 2: Convert to fraction form
    12,160/26,260 = 26,260/x
  3. Step 3: Cross multiply
    12,160x = 26,260 × 26,260
  4. Step 4: Simplify right side
    12,160x = 689,587,600
  5. Step 5: Solve for x
    x = 689,587,600/12,160
  6. Step 6: Final answer
    x = 56,709.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.