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Finding the Third Proportional to 15,643.13 and 33,746.63

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Solution

The third proportional to 15,643.13 and 33,746.63 is: 72,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.13 : 33,746.63 = 33,746.63 : x
  2. Step 2: Convert to fraction form
    15,643.13/33,746.63 = 33,746.63/x
  3. Step 3: Cross multiply
    15,643.13x = 33,746.63 × 33,746.63
  4. Step 4: Simplify right side
    15,643.13x = 1,138,834,698.89
  5. Step 5: Solve for x
    x = 1,138,834,698.89/15,643.13
  6. Step 6: Final answer
    x = 72,800.97

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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.