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Finding the Third Proportional to 12,487.68 and 26,756.58

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Solution

The third proportional to 12,487.68 and 26,756.58 is: 57,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,487.68 : 26,756.58 = 26,756.58 : x
  2. Step 2: Convert to fraction form
    12,487.68/26,756.58 = 26,756.58/x
  3. Step 3: Cross multiply
    12,487.68x = 26,756.58 × 26,756.58
  4. Step 4: Simplify right side
    12,487.68x = 715,914,472.96
  5. Step 5: Solve for x
    x = 715,914,472.96/12,487.68
  6. Step 6: Final answer
    x = 57,329.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.