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Finding the Third Proportional to 113,590 and 247,807

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Solution

The third proportional to 113,590 and 247,807 is: 540,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,590 : 247,807 = 247,807 : x
  2. Step 2: Convert to fraction form
    113,590/247,807 = 247,807/x
  3. Step 3: Cross multiply
    113,590x = 247,807 × 247,807
  4. Step 4: Simplify right side
    113,590x = 61,408,309,249
  5. Step 5: Solve for x
    x = 61,408,309,249/113,590
  6. Step 6: Final answer
    x = 540,613.69

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.