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Finding the Third Proportional to 515,136 and 1,133,043

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Solution

The third proportional to 515,136 and 1,133,043 is: 2,492,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,136 : 1,133,043 = 1,133,043 : x
  2. Step 2: Convert to fraction form
    515,136/1,133,043 = 1,133,043/x
  3. Step 3: Cross multiply
    515,136x = 1,133,043 × 1,133,043
  4. Step 4: Simplify right side
    515,136x = 1,283,786,439,849
  5. Step 5: Solve for x
    x = 1,283,786,439,849/515,136
  6. Step 6: Final answer
    x = 2,492,131.09

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.