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Finding the Third Proportional to 103,622 and 160,490

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Solution

The third proportional to 103,622 and 160,490 is: 248,567.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622 : 160,490 = 160,490 : x
  2. Step 2: Convert to fraction form
    103,622/160,490 = 160,490/x
  3. Step 3: Cross multiply
    103,622x = 160,490 × 160,490
  4. Step 4: Simplify right side
    103,622x = 25,757,040,100
  5. Step 5: Solve for x
    x = 25,757,040,100/103,622
  6. Step 6: Final answer
    x = 248,567.29

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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.