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Finding the Third Proportional to 577,399.50 and 777,523.50

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Solution

The third proportional to 577,399.50 and 777,523.50 is: 1,047,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,399.50 : 777,523.50 = 777,523.50 : x
  2. Step 2: Convert to fraction form
    577,399.50/777,523.50 = 777,523.50/x
  3. Step 3: Cross multiply
    577,399.50x = 777,523.50 × 777,523.50
  4. Step 4: Simplify right side
    577,399.50x = 604,542,793,052.25
  5. Step 5: Solve for x
    x = 604,542,793,052.25/577,399.50
  6. Step 6: Final answer
    x = 1,047,009.55

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.