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Finding the Third Proportional to 531,388 and 1,149,608

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Solution

The third proportional to 531,388 and 1,149,608 is: 2,487,068.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,388 : 1,149,608 = 1,149,608 : x
  2. Step 2: Convert to fraction form
    531,388/1,149,608 = 1,149,608/x
  3. Step 3: Cross multiply
    531,388x = 1,149,608 × 1,149,608
  4. Step 4: Simplify right side
    531,388x = 1,321,598,553,664
  5. Step 5: Solve for x
    x = 1,321,598,553,664/531,388
  6. Step 6: Final answer
    x = 2,487,068.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.