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Finding the Third Proportional to 542,313 and 1,181,136

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Solution

The third proportional to 542,313 and 1,181,136 is: 2,572,466.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,313 : 1,181,136 = 1,181,136 : x
  2. Step 2: Convert to fraction form
    542,313/1,181,136 = 1,181,136/x
  3. Step 3: Cross multiply
    542,313x = 1,181,136 × 1,181,136
  4. Step 4: Simplify right side
    542,313x = 1,395,082,250,496
  5. Step 5: Solve for x
    x = 1,395,082,250,496/542,313
  6. Step 6: Final answer
    x = 2,572,466.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.