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Finding the Third Proportional to 104,642 and 156,554

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Solution

The third proportional to 104,642 and 156,554 is: 234,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,642 : 156,554 = 156,554 : x
  2. Step 2: Convert to fraction form
    104,642/156,554 = 156,554/x
  3. Step 3: Cross multiply
    104,642x = 156,554 × 156,554
  4. Step 4: Simplify right side
    104,642x = 24,509,154,916
  5. Step 5: Solve for x
    x = 24,509,154,916/104,642
  6. Step 6: Final answer
    x = 234,219.10

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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.