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Finding the Third Proportional to 889,136 and 1,917,280

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Solution

The third proportional to 889,136 and 1,917,280 is: 4,134,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,136 : 1,917,280 = 1,917,280 : x
  2. Step 2: Convert to fraction form
    889,136/1,917,280 = 1,917,280/x
  3. Step 3: Cross multiply
    889,136x = 1,917,280 × 1,917,280
  4. Step 4: Simplify right side
    889,136x = 3,675,962,598,400
  5. Step 5: Solve for x
    x = 3,675,962,598,400/889,136
  6. Step 6: Final answer
    x = 4,134,308.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.