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Finding the Third Proportional to 917,355.38 and 1,399,998.94

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Solution

The third proportional to 917,355.38 and 1,399,998.94 is: 2,136,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,355.38 : 1,399,998.94 = 1,399,998.94 : x
  2. Step 2: Convert to fraction form
    917,355.38/1,399,998.94 = 1,399,998.94/x
  3. Step 3: Cross multiply
    917,355.38x = 1,399,998.94 × 1,399,998.94
  4. Step 4: Simplify right side
    917,355.38x = 1,959,997,025,001.13
  5. Step 5: Solve for x
    x = 1,959,997,025,001.13/917,355.38
  6. Step 6: Final answer
    x = 2,136,573.33

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.