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Finding the Third Proportional to 669,649 and 1,010,511

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Solution

The third proportional to 669,649 and 1,010,511 is: 1,524,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,649 : 1,010,511 = 1,010,511 : x
  2. Step 2: Convert to fraction form
    669,649/1,010,511 = 1,010,511/x
  3. Step 3: Cross multiply
    669,649x = 1,010,511 × 1,010,511
  4. Step 4: Simplify right side
    669,649x = 1,021,132,481,121
  5. Step 5: Solve for x
    x = 1,021,132,481,121/669,649
  6. Step 6: Final answer
    x = 1,524,877.18

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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.