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Finding the Third Proportional to 102,503 and 155,829

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Solution

The third proportional to 102,503 and 155,829 is: 236,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,503 : 155,829 = 155,829 : x
  2. Step 2: Convert to fraction form
    102,503/155,829 = 155,829/x
  3. Step 3: Cross multiply
    102,503x = 155,829 × 155,829
  4. Step 4: Simplify right side
    102,503x = 24,282,677,241
  5. Step 5: Solve for x
    x = 24,282,677,241/102,503
  6. Step 6: Final answer
    x = 236,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.