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Finding the Third Proportional to 582,108 and 1,272,421.50

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Solution

The third proportional to 582,108 and 1,272,421.50 is: 2,781,367.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,108 : 1,272,421.50 = 1,272,421.50 : x
  2. Step 2: Convert to fraction form
    582,108/1,272,421.50 = 1,272,421.50/x
  3. Step 3: Cross multiply
    582,108x = 1,272,421.50 × 1,272,421.50
  4. Step 4: Simplify right side
    582,108x = 1,619,056,473,662.25
  5. Step 5: Solve for x
    x = 1,619,056,473,662.25/582,108
  6. Step 6: Final answer
    x = 2,781,367.85

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.