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Finding the Third Proportional to 51,102 and 70,368

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Solution

The third proportional to 51,102 and 70,368 is: 96,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102 : 70,368 = 70,368 : x
  2. Step 2: Convert to fraction form
    51,102/70,368 = 70,368/x
  3. Step 3: Cross multiply
    51,102x = 70,368 × 70,368
  4. Step 4: Simplify right side
    51,102x = 4,951,655,424
  5. Step 5: Solve for x
    x = 4,951,655,424/51,102
  6. Step 6: Final answer
    x = 96,897.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.