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Finding the Third Proportional to 240,291.56 and 511,641.56

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Solution

The third proportional to 240,291.56 and 511,641.56 is: 1,089,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,291.56 : 511,641.56 = 511,641.56 : x
  2. Step 2: Convert to fraction form
    240,291.56/511,641.56 = 511,641.56/x
  3. Step 3: Cross multiply
    240,291.56x = 511,641.56 × 511,641.56
  4. Step 4: Simplify right side
    240,291.56x = 261,777,088,477.44
  5. Step 5: Solve for x
    x = 261,777,088,477.44/240,291.56
  6. Step 6: Final answer
    x = 1,089,414.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.