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Finding the Third Proportional to 103,620 and 160,487

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Solution

The third proportional to 103,620 and 160,487 is: 248,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620 : 160,487 = 160,487 : x
  2. Step 2: Convert to fraction form
    103,620/160,487 = 160,487/x
  3. Step 3: Cross multiply
    103,620x = 160,487 × 160,487
  4. Step 4: Simplify right side
    103,620x = 25,756,077,169
  5. Step 5: Solve for x
    x = 25,756,077,169/103,620
  6. Step 6: Final answer
    x = 248,562.80

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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.