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Finding the Third Proportional to 16,718.63 and 36,320.63

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Solution

The third proportional to 16,718.63 and 36,320.63 is: 78,905.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.63 : 36,320.63 = 36,320.63 : x
  2. Step 2: Convert to fraction form
    16,718.63/36,320.63 = 36,320.63/x
  3. Step 3: Cross multiply
    16,718.63x = 36,320.63 × 36,320.63
  4. Step 4: Simplify right side
    16,718.63x = 1,319,187,800.39
  5. Step 5: Solve for x
    x = 1,319,187,800.39/16,718.63
  6. Step 6: Final answer
    x = 78,905.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.