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Finding the Third Proportional to 178,012.69 and 384,114.66

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Solution

The third proportional to 178,012.69 and 384,114.66 is: 828,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,012.69 : 384,114.66 = 384,114.66 : x
  2. Step 2: Convert to fraction form
    178,012.69/384,114.66 = 384,114.66/x
  3. Step 3: Cross multiply
    178,012.69x = 384,114.66 × 384,114.66
  4. Step 4: Simplify right side
    178,012.69x = 147,544,069,146.06
  5. Step 5: Solve for x
    x = 147,544,069,146.06/178,012.69
  6. Step 6: Final answer
    x = 828,840.19

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.