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Finding the Third Proportional to 103,658 and 155,453

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Solution

The third proportional to 103,658 and 155,453 is: 233,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658 : 155,453 = 155,453 : x
  2. Step 2: Convert to fraction form
    103,658/155,453 = 155,453/x
  3. Step 3: Cross multiply
    103,658x = 155,453 × 155,453
  4. Step 4: Simplify right side
    103,658x = 24,165,635,209
  5. Step 5: Solve for x
    x = 24,165,635,209/103,658
  6. Step 6: Final answer
    x = 233,128.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.