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Finding the Third Proportional to 368,732.25 and 556,490.25

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Solution

The third proportional to 368,732.25 and 556,490.25 is: 839,854.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,732.25 : 556,490.25 = 556,490.25 : x
  2. Step 2: Convert to fraction form
    368,732.25/556,490.25 = 556,490.25/x
  3. Step 3: Cross multiply
    368,732.25x = 556,490.25 × 556,490.25
  4. Step 4: Simplify right side
    368,732.25x = 309,681,398,345.06
  5. Step 5: Solve for x
    x = 309,681,398,345.06/368,732.25
  6. Step 6: Final answer
    x = 839,854.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.