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Finding the Third Proportional to 19,486.13 and 27,860.63

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Solution

The third proportional to 19,486.13 and 27,860.63 is: 39,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.13 : 27,860.63 = 27,860.63 : x
  2. Step 2: Convert to fraction form
    19,486.13/27,860.63 = 27,860.63/x
  3. Step 3: Cross multiply
    19,486.13x = 27,860.63 × 27,860.63
  4. Step 4: Simplify right side
    19,486.13x = 776,214,425.39
  5. Step 5: Solve for x
    x = 776,214,425.39/19,486.13
  6. Step 6: Final answer
    x = 39,834.21

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.