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Finding the Third Proportional to 301,136 and 401,468

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Solution

The third proportional to 301,136 and 401,468 is: 535,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,136 : 401,468 = 401,468 : x
  2. Step 2: Convert to fraction form
    301,136/401,468 = 401,468/x
  3. Step 3: Cross multiply
    301,136x = 401,468 × 401,468
  4. Step 4: Simplify right side
    301,136x = 161,176,555,024
  5. Step 5: Solve for x
    x = 161,176,555,024/301,136
  6. Step 6: Final answer
    x = 535,228.45

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.