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Finding the Third Proportional to 93,920 and 221,487

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Solution

The third proportional to 93,920 and 221,487 is: 522,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,920 : 221,487 = 221,487 : x
  2. Step 2: Convert to fraction form
    93,920/221,487 = 221,487/x
  3. Step 3: Cross multiply
    93,920x = 221,487 × 221,487
  4. Step 4: Simplify right side
    93,920x = 49,056,491,169
  5. Step 5: Solve for x
    x = 49,056,491,169/93,920
  6. Step 6: Final answer
    x = 522,322.10

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.