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Finding the Third Proportional to 674,805 and 1,019,179.50

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Solution

The third proportional to 674,805 and 1,019,179.50 is: 1,539,299.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,805 : 1,019,179.50 = 1,019,179.50 : x
  2. Step 2: Convert to fraction form
    674,805/1,019,179.50 = 1,019,179.50/x
  3. Step 3: Cross multiply
    674,805x = 1,019,179.50 × 1,019,179.50
  4. Step 4: Simplify right side
    674,805x = 1,038,726,853,220.25
  5. Step 5: Solve for x
    x = 1,038,726,853,220.25/674,805
  6. Step 6: Final answer
    x = 1,539,299.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.