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Finding the Third Proportional to 655,080 and 1,388,891

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Solution

The third proportional to 655,080 and 1,388,891 is: 2,944,706.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,080 : 1,388,891 = 1,388,891 : x
  2. Step 2: Convert to fraction form
    655,080/1,388,891 = 1,388,891/x
  3. Step 3: Cross multiply
    655,080x = 1,388,891 × 1,388,891
  4. Step 4: Simplify right side
    655,080x = 1,929,018,209,881
  5. Step 5: Solve for x
    x = 1,929,018,209,881/655,080
  6. Step 6: Final answer
    x = 2,944,706.31

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.