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Finding the Third Proportional to 201,240 and 302,364

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Solution

The third proportional to 201,240 and 302,364 is: 454,303.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,240 : 302,364 = 302,364 : x
  2. Step 2: Convert to fraction form
    201,240/302,364 = 302,364/x
  3. Step 3: Cross multiply
    201,240x = 302,364 × 302,364
  4. Step 4: Simplify right side
    201,240x = 91,423,988,496
  5. Step 5: Solve for x
    x = 91,423,988,496/201,240
  6. Step 6: Final answer
    x = 454,303.26

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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.