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Finding the Third Proportional to 134,503 and 291,272

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Solution

The third proportional to 134,503 and 291,272 is: 630,761.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,503 : 291,272 = 291,272 : x
  2. Step 2: Convert to fraction form
    134,503/291,272 = 291,272/x
  3. Step 3: Cross multiply
    134,503x = 291,272 × 291,272
  4. Step 4: Simplify right side
    134,503x = 84,839,377,984
  5. Step 5: Solve for x
    x = 84,839,377,984/134,503
  6. Step 6: Final answer
    x = 630,761.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.