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Finding the Third Proportional to 185,430 and 406,944

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Solution

The third proportional to 185,430 and 406,944 is: 893,077.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,430 : 406,944 = 406,944 : x
  2. Step 2: Convert to fraction form
    185,430/406,944 = 406,944/x
  3. Step 3: Cross multiply
    185,430x = 406,944 × 406,944
  4. Step 4: Simplify right side
    185,430x = 165,603,419,136
  5. Step 5: Solve for x
    x = 165,603,419,136/185,430
  6. Step 6: Final answer
    x = 893,077.81

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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.