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Finding the Third Proportional to 433,431.75 and 575,118

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Solution

The third proportional to 433,431.75 and 575,118 is: 763,120.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,431.75 : 575,118 = 575,118 : x
  2. Step 2: Convert to fraction form
    433,431.75/575,118 = 575,118/x
  3. Step 3: Cross multiply
    433,431.75x = 575,118 × 575,118
  4. Step 4: Simplify right side
    433,431.75x = 330,760,713,924
  5. Step 5: Solve for x
    x = 330,760,713,924/433,431.75
  6. Step 6: Final answer
    x = 763,120.64

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.