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Finding the Third Proportional to 270,045 and 581,640

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Solution

The third proportional to 270,045 and 581,640 is: 1,252,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,045 : 581,640 = 581,640 : x
  2. Step 2: Convert to fraction form
    270,045/581,640 = 581,640/x
  3. Step 3: Cross multiply
    270,045x = 581,640 × 581,640
  4. Step 4: Simplify right side
    270,045x = 338,305,089,600
  5. Step 5: Solve for x
    x = 338,305,089,600/270,045
  6. Step 6: Final answer
    x = 1,252,773.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.