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Finding the Third Proportional to 302,466.75 and 411,028

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Solution

The third proportional to 302,466.75 and 411,028 is: 558,554.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,466.75 : 411,028 = 411,028 : x
  2. Step 2: Convert to fraction form
    302,466.75/411,028 = 411,028/x
  3. Step 3: Cross multiply
    302,466.75x = 411,028 × 411,028
  4. Step 4: Simplify right side
    302,466.75x = 168,944,016,784
  5. Step 5: Solve for x
    x = 168,944,016,784/302,466.75
  6. Step 6: Final answer
    x = 558,554.01

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.