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Finding the Third Proportional to 155,742 and 234,657

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Solution

The third proportional to 155,742 and 234,657 is: 353,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,742 : 234,657 = 234,657 : x
  2. Step 2: Convert to fraction form
    155,742/234,657 = 234,657/x
  3. Step 3: Cross multiply
    155,742x = 234,657 × 234,657
  4. Step 4: Simplify right side
    155,742x = 55,063,907,649
  5. Step 5: Solve for x
    x = 55,063,907,649/155,742
  6. Step 6: Final answer
    x = 353,558.50

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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.