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Finding the Third Proportional to 245,521.13 and 368,613.56

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Solution

The third proportional to 245,521.13 and 368,613.56 is: 553,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521.13 : 368,613.56 = 368,613.56 : x
  2. Step 2: Convert to fraction form
    245,521.13/368,613.56 = 368,613.56/x
  3. Step 3: Cross multiply
    245,521.13x = 368,613.56 × 368,613.56
  4. Step 4: Simplify right side
    245,521.13x = 135,875,958,458.94
  5. Step 5: Solve for x
    x = 135,875,958,458.94/245,521.13
  6. Step 6: Final answer
    x = 553,418.60

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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.