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Finding the Third Proportional to 102,835 and 155,346

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Solution

The third proportional to 102,835 and 155,346 is: 234,670.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,835 : 155,346 = 155,346 : x
  2. Step 2: Convert to fraction form
    102,835/155,346 = 155,346/x
  3. Step 3: Cross multiply
    102,835x = 155,346 × 155,346
  4. Step 4: Simplify right side
    102,835x = 24,132,379,716
  5. Step 5: Solve for x
    x = 24,132,379,716/102,835
  6. Step 6: Final answer
    x = 234,670.88

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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.