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Finding the Third Proportional to 385,557.75 and 835,470

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Solution

The third proportional to 385,557.75 and 835,470 is: 1,810,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,557.75 : 835,470 = 835,470 : x
  2. Step 2: Convert to fraction form
    385,557.75/835,470 = 835,470/x
  3. Step 3: Cross multiply
    385,557.75x = 835,470 × 835,470
  4. Step 4: Simplify right side
    385,557.75x = 698,010,120,900
  5. Step 5: Solve for x
    x = 698,010,120,900/385,557.75
  6. Step 6: Final answer
    x = 1,810,390.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.