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Finding the Third Proportional to 295,788 and 647,553

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Solution

The third proportional to 295,788 and 647,553 is: 1,417,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,788 : 647,553 = 647,553 : x
  2. Step 2: Convert to fraction form
    295,788/647,553 = 647,553/x
  3. Step 3: Cross multiply
    295,788x = 647,553 × 647,553
  4. Step 4: Simplify right side
    295,788x = 419,324,887,809
  5. Step 5: Solve for x
    x = 419,324,887,809/295,788
  6. Step 6: Final answer
    x = 1,417,653.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.