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Finding the Third Proportional to 955,621 and 2,100,076

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Solution

The third proportional to 955,621 and 2,100,076 is: 4,615,134.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,621 : 2,100,076 = 2,100,076 : x
  2. Step 2: Convert to fraction form
    955,621/2,100,076 = 2,100,076/x
  3. Step 3: Cross multiply
    955,621x = 2,100,076 × 2,100,076
  4. Step 4: Simplify right side
    955,621x = 4,410,319,205,776
  5. Step 5: Solve for x
    x = 4,410,319,205,776/955,621
  6. Step 6: Final answer
    x = 4,615,134.25

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.