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Finding the Third Proportional to 498,484 and 753,672

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Solution

The third proportional to 498,484 and 753,672 is: 1,139,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,484 : 753,672 = 753,672 : x
  2. Step 2: Convert to fraction form
    498,484/753,672 = 753,672/x
  3. Step 3: Cross multiply
    498,484x = 753,672 × 753,672
  4. Step 4: Simplify right side
    498,484x = 568,021,483,584
  5. Step 5: Solve for x
    x = 568,021,483,584/498,484
  6. Step 6: Final answer
    x = 1,139,497.92

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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.