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Finding the Third Proportional to 40,284 and 56,628

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Solution

The third proportional to 40,284 and 56,628 is: 79,603.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284 : 56,628 = 56,628 : x
  2. Step 2: Convert to fraction form
    40,284/56,628 = 56,628/x
  3. Step 3: Cross multiply
    40,284x = 56,628 × 56,628
  4. Step 4: Simplify right side
    40,284x = 3,206,730,384
  5. Step 5: Solve for x
    x = 3,206,730,384/40,284
  6. Step 6: Final answer
    x = 79,603.08

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.