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Finding the Third Proportional to 847,569 and 1,279,235.50

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Solution

The third proportional to 847,569 and 1,279,235.50 is: 1,930,749.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,569 : 1,279,235.50 = 1,279,235.50 : x
  2. Step 2: Convert to fraction form
    847,569/1,279,235.50 = 1,279,235.50/x
  3. Step 3: Cross multiply
    847,569x = 1,279,235.50 × 1,279,235.50
  4. Step 4: Simplify right side
    847,569x = 1,636,443,464,460.25
  5. Step 5: Solve for x
    x = 1,636,443,464,460.25/847,569
  6. Step 6: Final answer
    x = 1,930,749.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.