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Finding the Third Proportional to 412,912 and 904,556

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Solution

The third proportional to 412,912 and 904,556 is: 1,981,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,912 : 904,556 = 904,556 : x
  2. Step 2: Convert to fraction form
    412,912/904,556 = 904,556/x
  3. Step 3: Cross multiply
    412,912x = 904,556 × 904,556
  4. Step 4: Simplify right side
    412,912x = 818,221,557,136
  5. Step 5: Solve for x
    x = 818,221,557,136/412,912
  6. Step 6: Final answer
    x = 1,981,588.22

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.