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Finding the Third Proportional to 238,281 and 370,491

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Solution

The third proportional to 238,281 and 370,491 is: 576,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,281 : 370,491 = 370,491 : x
  2. Step 2: Convert to fraction form
    238,281/370,491 = 370,491/x
  3. Step 3: Cross multiply
    238,281x = 370,491 × 370,491
  4. Step 4: Simplify right side
    238,281x = 137,263,581,081
  5. Step 5: Solve for x
    x = 137,263,581,081/238,281
  6. Step 6: Final answer
    x = 576,057.60

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.