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Finding the Third Proportional to 11,398.50 and 26,515.50

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Solution

The third proportional to 11,398.50 and 26,515.50 is: 61,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.50 : 26,515.50 = 26,515.50 : x
  2. Step 2: Convert to fraction form
    11,398.50/26,515.50 = 26,515.50/x
  3. Step 3: Cross multiply
    11,398.50x = 26,515.50 × 26,515.50
  4. Step 4: Simplify right side
    11,398.50x = 703,071,740.25
  5. Step 5: Solve for x
    x = 703,071,740.25/11,398.50
  6. Step 6: Final answer
    x = 61,681.08

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Why These Related Problems?

These problems maintain the same ratio (2.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.