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Finding the Third Proportional to 18,870 and 24,201

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Solution

The third proportional to 18,870 and 24,201 is: 31,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870 : 24,201 = 24,201 : x
  2. Step 2: Convert to fraction form
    18,870/24,201 = 24,201/x
  3. Step 3: Cross multiply
    18,870x = 24,201 × 24,201
  4. Step 4: Simplify right side
    18,870x = 585,688,401
  5. Step 5: Solve for x
    x = 585,688,401/18,870
  6. Step 6: Final answer
    x = 31,038.07

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.