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Finding the Third Proportional to 12,490.88 and 26,599.22

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Solution

The third proportional to 12,490.88 and 26,599.22 is: 56,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490.88 : 26,599.22 = 26,599.22 : x
  2. Step 2: Convert to fraction form
    12,490.88/26,599.22 = 26,599.22/x
  3. Step 3: Cross multiply
    12,490.88x = 26,599.22 × 26,599.22
  4. Step 4: Simplify right side
    12,490.88x = 707,518,438.11
  5. Step 5: Solve for x
    x = 707,518,438.11/12,490.88
  6. Step 6: Final answer
    x = 56,642.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.