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Finding the Third Proportional to 279,288 and 602,872.88

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Solution

The third proportional to 279,288 and 602,872.88 is: 1,301,365.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,288 : 602,872.88 = 602,872.88 : x
  2. Step 2: Convert to fraction form
    279,288/602,872.88 = 602,872.88/x
  3. Step 3: Cross multiply
    279,288x = 602,872.88 × 602,872.88
  4. Step 4: Simplify right side
    279,288x = 363,455,703,410.77
  5. Step 5: Solve for x
    x = 363,455,703,410.77/279,288
  6. Step 6: Final answer
    x = 1,301,365.27

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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.