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Finding the Third Proportional to 519,783.19 and 777,559.50

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Solution

The third proportional to 519,783.19 and 777,559.50 is: 1,163,174.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,783.19 : 777,559.50 = 777,559.50 : x
  2. Step 2: Convert to fraction form
    519,783.19/777,559.50 = 777,559.50/x
  3. Step 3: Cross multiply
    519,783.19x = 777,559.50 × 777,559.50
  4. Step 4: Simplify right side
    519,783.19x = 604,598,776,040.25
  5. Step 5: Solve for x
    x = 604,598,776,040.25/519,783.19
  6. Step 6: Final answer
    x = 1,163,174.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.