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Finding the Third Proportional to 709,774 and 1,072,057

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Solution

The third proportional to 709,774 and 1,072,057 is: 1,619,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,774 : 1,072,057 = 1,072,057 : x
  2. Step 2: Convert to fraction form
    709,774/1,072,057 = 1,072,057/x
  3. Step 3: Cross multiply
    709,774x = 1,072,057 × 1,072,057
  4. Step 4: Simplify right side
    709,774x = 1,149,306,211,249
  5. Step 5: Solve for x
    x = 1,149,306,211,249/709,774
  6. Step 6: Final answer
    x = 1,619,256.57

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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.