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Finding the Third Proportional to 368,796.75 and 556,586.63

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Solution

The third proportional to 368,796.75 and 556,586.63 is: 839,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,796.75 : 556,586.63 = 556,586.63 : x
  2. Step 2: Convert to fraction form
    368,796.75/556,586.63 = 556,586.63/x
  3. Step 3: Cross multiply
    368,796.75x = 556,586.63 × 556,586.63
  4. Step 4: Simplify right side
    368,796.75x = 309,788,671,128.89
  5. Step 5: Solve for x
    x = 309,788,671,128.89/368,796.75
  6. Step 6: Final answer
    x = 839,998.38

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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.