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Finding the Third Proportional to 368,779.38 and 556,557.94

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Solution

The third proportional to 368,779.38 and 556,557.94 is: 839,951.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,779.38 : 556,557.94 = 556,557.94 : x
  2. Step 2: Convert to fraction form
    368,779.38/556,557.94 = 556,557.94/x
  3. Step 3: Cross multiply
    368,779.38x = 556,557.94 × 556,557.94
  4. Step 4: Simplify right side
    368,779.38x = 309,756,737,794.25
  5. Step 5: Solve for x
    x = 309,756,737,794.25/368,779.38
  6. Step 6: Final answer
    x = 839,951.36

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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.