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Finding the Third Proportional to 763,852 and 1,680,240

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Solution

The third proportional to 763,852 and 1,680,240 is: 3,696,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,852 : 1,680,240 = 1,680,240 : x
  2. Step 2: Convert to fraction form
    763,852/1,680,240 = 1,680,240/x
  3. Step 3: Cross multiply
    763,852x = 1,680,240 × 1,680,240
  4. Step 4: Simplify right side
    763,852x = 2,823,206,457,600
  5. Step 5: Solve for x
    x = 2,823,206,457,600/763,852
  6. Step 6: Final answer
    x = 3,696,012.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.