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Finding the Third Proportional to 779,428.50 and 1,674,891

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Solution

The third proportional to 779,428.50 and 1,674,891 is: 3,599,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,428.50 : 1,674,891 = 1,674,891 : x
  2. Step 2: Convert to fraction form
    779,428.50/1,674,891 = 1,674,891/x
  3. Step 3: Cross multiply
    779,428.50x = 1,674,891 × 1,674,891
  4. Step 4: Simplify right side
    779,428.50x = 2,805,259,861,881
  5. Step 5: Solve for x
    x = 2,805,259,861,881/779,428.50
  6. Step 6: Final answer
    x = 3,599,124.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.