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Finding the Third Proportional to 2,100,070.13 and 3,257,889.19

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Solution

The third proportional to 2,100,070.13 and 3,257,889.19 is: 5,054,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,070.13 : 3,257,889.19 = 3,257,889.19 : x
  2. Step 2: Convert to fraction form
    2,100,070.13/3,257,889.19 = 3,257,889.19/x
  3. Step 3: Cross multiply
    2,100,070.13x = 3,257,889.19 × 3,257,889.19
  4. Step 4: Simplify right side
    2,100,070.13x = 10,613,841,958,029.41
  5. Step 5: Solve for x
    x = 10,613,841,958,029.41/2,100,070.13
  6. Step 6: Final answer
    x = 5,054,041.69

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.