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Finding the Third Proportional to 19,278 and 41,603.63

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Solution

The third proportional to 19,278 and 41,603.63 is: 89,784.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278 : 41,603.63 = 41,603.63 : x
  2. Step 2: Convert to fraction form
    19,278/41,603.63 = 41,603.63/x
  3. Step 3: Cross multiply
    19,278x = 41,603.63 × 41,603.63
  4. Step 4: Simplify right side
    19,278x = 1,730,861,613.14
  5. Step 5: Solve for x
    x = 1,730,861,613.14/19,278
  6. Step 6: Final answer
    x = 89,784.29

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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.