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Finding the Third Proportional to 543,705 and 1,279,234.50

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Solution

The third proportional to 543,705 and 1,279,234.50 is: 3,009,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,705 : 1,279,234.50 = 1,279,234.50 : x
  2. Step 2: Convert to fraction form
    543,705/1,279,234.50 = 1,279,234.50/x
  3. Step 3: Cross multiply
    543,705x = 1,279,234.50 × 1,279,234.50
  4. Step 4: Simplify right side
    543,705x = 1,636,440,905,990.25
  5. Step 5: Solve for x
    x = 1,636,440,905,990.25/543,705
  6. Step 6: Final answer
    x = 3,009,795.58

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.