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Finding the Third Proportional to 368,776.13 and 556,552.69

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Solution

The third proportional to 368,776.13 and 556,552.69 is: 839,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,776.13 : 556,552.69 = 556,552.69 : x
  2. Step 2: Convert to fraction form
    368,776.13/556,552.69 = 556,552.69/x
  3. Step 3: Cross multiply
    368,776.13x = 556,552.69 × 556,552.69
  4. Step 4: Simplify right side
    368,776.13x = 309,750,893,963.47
  5. Step 5: Solve for x
    x = 309,750,893,963.47/368,776.13
  6. Step 6: Final answer
    x = 839,942.92

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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.