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Finding the Third Proportional to 497,061.75 and 777,576.75

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Solution

The third proportional to 497,061.75 and 777,576.75 is: 1,216,399.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,061.75 : 777,576.75 = 777,576.75 : x
  2. Step 2: Convert to fraction form
    497,061.75/777,576.75 = 777,576.75/x
  3. Step 3: Cross multiply
    497,061.75x = 777,576.75 × 777,576.75
  4. Step 4: Simplify right side
    497,061.75x = 604,625,602,140.56
  5. Step 5: Solve for x
    x = 604,625,602,140.56/497,061.75
  6. Step 6: Final answer
    x = 1,216,399.38

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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.