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Finding the Third Proportional to 761,027 and 1,639,789

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Solution

The third proportional to 761,027 and 1,639,789 is: 3,533,262.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,027 : 1,639,789 = 1,639,789 : x
  2. Step 2: Convert to fraction form
    761,027/1,639,789 = 1,639,789/x
  3. Step 3: Cross multiply
    761,027x = 1,639,789 × 1,639,789
  4. Step 4: Simplify right side
    761,027x = 2,688,907,964,521
  5. Step 5: Solve for x
    x = 2,688,907,964,521/761,027
  6. Step 6: Final answer
    x = 3,533,262.24

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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.