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Finding the Third Proportional to 457,245 and 712,033.50

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Solution

The third proportional to 457,245 and 712,033.50 is: 1,108,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,245 : 712,033.50 = 712,033.50 : x
  2. Step 2: Convert to fraction form
    457,245/712,033.50 = 712,033.50/x
  3. Step 3: Cross multiply
    457,245x = 712,033.50 × 712,033.50
  4. Step 4: Simplify right side
    457,245x = 506,991,705,122.25
  5. Step 5: Solve for x
    x = 506,991,705,122.25/457,245
  6. Step 6: Final answer
    x = 1,108,796.61

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.