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Finding the Third Proportional to 361,090.75 and 558,813

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Solution

The third proportional to 361,090.75 and 558,813 is: 864,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,090.75 : 558,813 = 558,813 : x
  2. Step 2: Convert to fraction form
    361,090.75/558,813 = 558,813/x
  3. Step 3: Cross multiply
    361,090.75x = 558,813 × 558,813
  4. Step 4: Simplify right side
    361,090.75x = 312,271,968,969
  5. Step 5: Solve for x
    x = 312,271,968,969/361,090.75
  6. Step 6: Final answer
    x = 864,801.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.