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Finding the Third Proportional to 779,431 and 1,674,895

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Solution

The third proportional to 779,431 and 1,674,895 is: 3,599,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,431 : 1,674,895 = 1,674,895 : x
  2. Step 2: Convert to fraction form
    779,431/1,674,895 = 1,674,895/x
  3. Step 3: Cross multiply
    779,431x = 1,674,895 × 1,674,895
  4. Step 4: Simplify right side
    779,431x = 2,805,273,261,025
  5. Step 5: Solve for x
    x = 2,805,273,261,025/779,431
  6. Step 6: Final answer
    x = 3,599,129.70

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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.