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Finding the Third Proportional to 672,884 and 999,608

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Solution

The third proportional to 672,884 and 999,608 is: 1,484,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,884 : 999,608 = 999,608 : x
  2. Step 2: Convert to fraction form
    672,884/999,608 = 999,608/x
  3. Step 3: Cross multiply
    672,884x = 999,608 × 999,608
  4. Step 4: Simplify right side
    672,884x = 999,216,153,664
  5. Step 5: Solve for x
    x = 999,216,153,664/672,884
  6. Step 6: Final answer
    x = 1,484,975.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.