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Finding the Third Proportional to 579,977 and 887,297.50

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Solution

The third proportional to 579,977 and 887,297.50 is: 1,357,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,977 : 887,297.50 = 887,297.50 : x
  2. Step 2: Convert to fraction form
    579,977/887,297.50 = 887,297.50/x
  3. Step 3: Cross multiply
    579,977x = 887,297.50 × 887,297.50
  4. Step 4: Simplify right side
    579,977x = 787,296,853,506.25
  5. Step 5: Solve for x
    x = 787,296,853,506.25/579,977
  6. Step 6: Final answer
    x = 1,357,462.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.