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Finding the Third Proportional to 267,388 and 556,828

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Solution

The third proportional to 267,388 and 556,828 is: 1,159,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,388 : 556,828 = 556,828 : x
  2. Step 2: Convert to fraction form
    267,388/556,828 = 556,828/x
  3. Step 3: Cross multiply
    267,388x = 556,828 × 556,828
  4. Step 4: Simplify right side
    267,388x = 310,057,421,584
  5. Step 5: Solve for x
    x = 310,057,421,584/267,388
  6. Step 6: Final answer
    x = 1,159,578.67

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.