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Finding the Third Proportional to 999,645 and 2,176,770

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Solution

The third proportional to 999,645 and 2,176,770 is: 4,740,010.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,645 : 2,176,770 = 2,176,770 : x
  2. Step 2: Convert to fraction form
    999,645/2,176,770 = 2,176,770/x
  3. Step 3: Cross multiply
    999,645x = 2,176,770 × 2,176,770
  4. Step 4: Simplify right side
    999,645x = 4,738,327,632,900
  5. Step 5: Solve for x
    x = 4,738,327,632,900/999,645
  6. Step 6: Final answer
    x = 4,740,010.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.