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Finding the Third Proportional to 818,444 and 1,799,308

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Solution

The third proportional to 818,444 and 1,799,308 is: 3,955,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,444 : 1,799,308 = 1,799,308 : x
  2. Step 2: Convert to fraction form
    818,444/1,799,308 = 1,799,308/x
  3. Step 3: Cross multiply
    818,444x = 1,799,308 × 1,799,308
  4. Step 4: Simplify right side
    818,444x = 3,237,509,278,864
  5. Step 5: Solve for x
    x = 3,237,509,278,864/818,444
  6. Step 6: Final answer
    x = 3,955,688.21

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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.