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Finding the Third Proportional to 15,423 and 33,488.63

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Solution

The third proportional to 15,423 and 33,488.63 is: 72,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423 : 33,488.63 = 33,488.63 : x
  2. Step 2: Convert to fraction form
    15,423/33,488.63 = 33,488.63/x
  3. Step 3: Cross multiply
    15,423x = 33,488.63 × 33,488.63
  4. Step 4: Simplify right side
    15,423x = 1,121,488,004.39
  5. Step 5: Solve for x
    x = 1,121,488,004.39/15,423
  6. Step 6: Final answer
    x = 72,715.30

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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.