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Finding the Third Proportional to 28,057 and 60,487

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Solution

The third proportional to 28,057 and 60,487 is: 130,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,057 : 60,487 = 60,487 : x
  2. Step 2: Convert to fraction form
    28,057/60,487 = 60,487/x
  3. Step 3: Cross multiply
    28,057x = 60,487 × 60,487
  4. Step 4: Simplify right side
    28,057x = 3,658,677,169
  5. Step 5: Solve for x
    x = 3,658,677,169/28,057
  6. Step 6: Final answer
    x = 130,401.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.