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Finding the Third Proportional to 238,388 and 360,011

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Solution

The third proportional to 238,388 and 360,011 is: 543,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,388 : 360,011 = 360,011 : x
  2. Step 2: Convert to fraction form
    238,388/360,011 = 360,011/x
  3. Step 3: Cross multiply
    238,388x = 360,011 × 360,011
  4. Step 4: Simplify right side
    238,388x = 129,607,920,121
  5. Step 5: Solve for x
    x = 129,607,920,121/238,388
  6. Step 6: Final answer
    x = 543,684.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.