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Finding the Third Proportional to 777,328 and 1,673,888

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Solution

The third proportional to 777,328 and 1,673,888 is: 3,604,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,328 : 1,673,888 = 1,673,888 : x
  2. Step 2: Convert to fraction form
    777,328/1,673,888 = 1,673,888/x
  3. Step 3: Cross multiply
    777,328x = 1,673,888 × 1,673,888
  4. Step 4: Simplify right side
    777,328x = 2,801,901,036,544
  5. Step 5: Solve for x
    x = 2,801,901,036,544/777,328
  6. Step 6: Final answer
    x = 3,604,528.64

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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.