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Finding the Third Proportional to 778,835 and 1,674,013

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Solution

The third proportional to 778,835 and 1,674,013 is: 3,598,091.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,835 : 1,674,013 = 1,674,013 : x
  2. Step 2: Convert to fraction form
    778,835/1,674,013 = 1,674,013/x
  3. Step 3: Cross multiply
    778,835x = 1,674,013 × 1,674,013
  4. Step 4: Simplify right side
    778,835x = 2,802,319,524,169
  5. Step 5: Solve for x
    x = 2,802,319,524,169/778,835
  6. Step 6: Final answer
    x = 3,598,091.41

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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.