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Finding the Third Proportional to 354,581 and 768,237

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Solution

The third proportional to 354,581 and 768,237 is: 1,664,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,581 : 768,237 = 768,237 : x
  2. Step 2: Convert to fraction form
    354,581/768,237 = 768,237/x
  3. Step 3: Cross multiply
    354,581x = 768,237 × 768,237
  4. Step 4: Simplify right side
    354,581x = 590,188,088,169
  5. Step 5: Solve for x
    x = 590,188,088,169/354,581
  6. Step 6: Final answer
    x = 1,664,466.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.