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Finding the Third Proportional to 1,973,556 and 4,251,645

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Solution

The third proportional to 1,973,556 and 4,251,645 is: 9,159,347.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973,556 : 4,251,645 = 4,251,645 : x
  2. Step 2: Convert to fraction form
    1,973,556/4,251,645 = 4,251,645/x
  3. Step 3: Cross multiply
    1,973,556x = 4,251,645 × 4,251,645
  4. Step 4: Simplify right side
    1,973,556x = 18,076,485,206,025
  5. Step 5: Solve for x
    x = 18,076,485,206,025/1,973,556
  6. Step 6: Final answer
    x = 9,159,347.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.