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Finding the Third Proportional to 73,521 and 103,536

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Solution

The third proportional to 73,521 and 103,536 is: 145,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521 : 103,536 = 103,536 : x
  2. Step 2: Convert to fraction form
    73,521/103,536 = 103,536/x
  3. Step 3: Cross multiply
    73,521x = 103,536 × 103,536
  4. Step 4: Simplify right side
    73,521x = 10,719,703,296
  5. Step 5: Solve for x
    x = 10,719,703,296/73,521
  6. Step 6: Final answer
    x = 145,804.64

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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.