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Finding the Third Proportional to 201,312 and 302,472

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Solution

The third proportional to 201,312 and 302,472 is: 454,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,312 : 302,472 = 302,472 : x
  2. Step 2: Convert to fraction form
    201,312/302,472 = 302,472/x
  3. Step 3: Cross multiply
    201,312x = 302,472 × 302,472
  4. Step 4: Simplify right side
    201,312x = 91,489,310,784
  5. Step 5: Solve for x
    x = 91,489,310,784/201,312
  6. Step 6: Final answer
    x = 454,465.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.