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Finding the Third Proportional to 103,356 and 155,844

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Solution

The third proportional to 103,356 and 155,844 is: 234,987.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,356 : 155,844 = 155,844 : x
  2. Step 2: Convert to fraction form
    103,356/155,844 = 155,844/x
  3. Step 3: Cross multiply
    103,356x = 155,844 × 155,844
  4. Step 4: Simplify right side
    103,356x = 24,287,352,336
  5. Step 5: Solve for x
    x = 24,287,352,336/103,356
  6. Step 6: Final answer
    x = 234,987.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.