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Finding the Third Proportional to 36,639 and 48,397.50

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Solution

The third proportional to 36,639 and 48,397.50 is: 63,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639 : 48,397.50 = 48,397.50 : x
  2. Step 2: Convert to fraction form
    36,639/48,397.50 = 48,397.50/x
  3. Step 3: Cross multiply
    36,639x = 48,397.50 × 48,397.50
  4. Step 4: Simplify right side
    36,639x = 2,342,318,006.25
  5. Step 5: Solve for x
    x = 2,342,318,006.25/36,639
  6. Step 6: Final answer
    x = 63,929.64

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.