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Finding the Third Proportional to 40,628.25 and 63,578.25

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Solution

The third proportional to 40,628.25 and 63,578.25 is: 99,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628.25 : 63,578.25 = 63,578.25 : x
  2. Step 2: Convert to fraction form
    40,628.25/63,578.25 = 63,578.25/x
  3. Step 3: Cross multiply
    40,628.25x = 63,578.25 × 63,578.25
  4. Step 4: Simplify right side
    40,628.25x = 4,042,193,873.06
  5. Step 5: Solve for x
    x = 4,042,193,873.06/40,628.25
  6. Step 6: Final answer
    x = 99,492.20

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.