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Finding the Third Proportional to 848,129 and 1,311,579

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Solution

The third proportional to 848,129 and 1,311,579 is: 2,028,275.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,129 : 1,311,579 = 1,311,579 : x
  2. Step 2: Convert to fraction form
    848,129/1,311,579 = 1,311,579/x
  3. Step 3: Cross multiply
    848,129x = 1,311,579 × 1,311,579
  4. Step 4: Simplify right side
    848,129x = 1,720,239,473,241
  5. Step 5: Solve for x
    x = 1,720,239,473,241/848,129
  6. Step 6: Final answer
    x = 2,028,275.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.