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Finding the Third Proportional to 772,770 and 1,018,611

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Solution

The third proportional to 772,770 and 1,018,611 is: 1,342,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,770 : 1,018,611 = 1,018,611 : x
  2. Step 2: Convert to fraction form
    772,770/1,018,611 = 1,018,611/x
  3. Step 3: Cross multiply
    772,770x = 1,018,611 × 1,018,611
  4. Step 4: Simplify right side
    772,770x = 1,037,568,369,321
  5. Step 5: Solve for x
    x = 1,037,568,369,321/772,770
  6. Step 6: Final answer
    x = 1,342,661.30

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.