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Finding the Third Proportional to 30,725 and 48,855

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Solution

The third proportional to 30,725 and 48,855 is: 77,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725 : 48,855 = 48,855 : x
  2. Step 2: Convert to fraction form
    30,725/48,855 = 48,855/x
  3. Step 3: Cross multiply
    30,725x = 48,855 × 48,855
  4. Step 4: Simplify right side
    30,725x = 2,386,811,025
  5. Step 5: Solve for x
    x = 2,386,811,025/30,725
  6. Step 6: Final answer
    x = 77,683.03

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.