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Finding the Third Proportional to 1,111,988.44 and 2,254,919.63

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Solution

The third proportional to 1,111,988.44 and 2,254,919.63 is: 4,572,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,988.44 : 2,254,919.63 = 2,254,919.63 : x
  2. Step 2: Convert to fraction form
    1,111,988.44/2,254,919.63 = 2,254,919.63/x
  3. Step 3: Cross multiply
    1,111,988.44x = 2,254,919.63 × 2,254,919.63
  4. Step 4: Simplify right side
    1,111,988.44x = 5,084,662,515,210.14
  5. Step 5: Solve for x
    x = 5,084,662,515,210.14/1,111,988.44
  6. Step 6: Final answer
    x = 4,572,585.78

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.