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Finding the Third Proportional to 103,685 and 160,856

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Solution

The third proportional to 103,685 and 160,856 is: 249,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685 : 160,856 = 160,856 : x
  2. Step 2: Convert to fraction form
    103,685/160,856 = 160,856/x
  3. Step 3: Cross multiply
    103,685x = 160,856 × 160,856
  4. Step 4: Simplify right side
    103,685x = 25,874,652,736
  5. Step 5: Solve for x
    x = 25,874,652,736/103,685
  6. Step 6: Final answer
    x = 249,550.59

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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.