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Finding the Third Proportional to 790,520 and 1,757,896

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Solution

The third proportional to 790,520 and 1,757,896 is: 3,909,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,520 : 1,757,896 = 1,757,896 : x
  2. Step 2: Convert to fraction form
    790,520/1,757,896 = 1,757,896/x
  3. Step 3: Cross multiply
    790,520x = 1,757,896 × 1,757,896
  4. Step 4: Simplify right side
    790,520x = 3,090,198,346,816
  5. Step 5: Solve for x
    x = 3,090,198,346,816/790,520
  6. Step 6: Final answer
    x = 3,909,070.42

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.