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Finding the Third Proportional to 155,455.50 and 334,692

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Solution

The third proportional to 155,455.50 and 334,692 is: 720,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,455.50 : 334,692 = 334,692 : x
  2. Step 2: Convert to fraction form
    155,455.50/334,692 = 334,692/x
  3. Step 3: Cross multiply
    155,455.50x = 334,692 × 334,692
  4. Step 4: Simplify right side
    155,455.50x = 112,018,734,864
  5. Step 5: Solve for x
    x = 112,018,734,864/155,455.50
  6. Step 6: Final answer
    x = 720,583.93

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.