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Finding the Third Proportional to 353,740.50 and 763,502.63

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Solution

The third proportional to 353,740.50 and 763,502.63 is: 1,647,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,740.50 : 763,502.63 = 763,502.63 : x
  2. Step 2: Convert to fraction form
    353,740.50/763,502.63 = 763,502.63/x
  3. Step 3: Cross multiply
    353,740.50x = 763,502.63 × 763,502.63
  4. Step 4: Simplify right side
    353,740.50x = 582,936,258,381.89
  5. Step 5: Solve for x
    x = 582,936,258,381.89/353,740.50
  6. Step 6: Final answer
    x = 1,647,920.60

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.