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Finding the Third Proportional to 44,490 and 68,865

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Solution

The third proportional to 44,490 and 68,865 is: 106,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490 : 68,865 = 68,865 : x
  2. Step 2: Convert to fraction form
    44,490/68,865 = 68,865/x
  3. Step 3: Cross multiply
    44,490x = 68,865 × 68,865
  4. Step 4: Simplify right side
    44,490x = 4,742,388,225
  5. Step 5: Solve for x
    x = 4,742,388,225/44,490
  6. Step 6: Final answer
    x = 106,594.48

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.