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Finding the Third Proportional to 916,998 and 1,992,108

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Solution

The third proportional to 916,998 and 1,992,108 is: 4,327,702.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,998 : 1,992,108 = 1,992,108 : x
  2. Step 2: Convert to fraction form
    916,998/1,992,108 = 1,992,108/x
  3. Step 3: Cross multiply
    916,998x = 1,992,108 × 1,992,108
  4. Step 4: Simplify right side
    916,998x = 3,968,494,283,664
  5. Step 5: Solve for x
    x = 3,968,494,283,664/916,998
  6. Step 6: Final answer
    x = 4,327,702.22

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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.