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Finding the Third Proportional to 30,368 and 64,037

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Solution

The third proportional to 30,368 and 64,037 is: 135,034.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,368 : 64,037 = 64,037 : x
  2. Step 2: Convert to fraction form
    30,368/64,037 = 64,037/x
  3. Step 3: Cross multiply
    30,368x = 64,037 × 64,037
  4. Step 4: Simplify right side
    30,368x = 4,100,737,369
  5. Step 5: Solve for x
    x = 4,100,737,369/30,368
  6. Step 6: Final answer
    x = 135,034.82

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.