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Finding the Third Proportional to 412,762.50 and 570,344.50

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Solution

The third proportional to 412,762.50 and 570,344.50 is: 788,087.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,762.50 : 570,344.50 = 570,344.50 : x
  2. Step 2: Convert to fraction form
    412,762.50/570,344.50 = 570,344.50/x
  3. Step 3: Cross multiply
    412,762.50x = 570,344.50 × 570,344.50
  4. Step 4: Simplify right side
    412,762.50x = 325,292,848,680.25
  5. Step 5: Solve for x
    x = 325,292,848,680.25/412,762.50
  6. Step 6: Final answer
    x = 788,087.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.