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Finding the Third Proportional to 2,102,937.19 and 3,150,897.47

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Solution

The third proportional to 2,102,937.19 and 3,150,897.47 is: 4,721,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,937.19 : 3,150,897.47 = 3,150,897.47 : x
  2. Step 2: Convert to fraction form
    2,102,937.19/3,150,897.47 = 3,150,897.47/x
  3. Step 3: Cross multiply
    2,102,937.19x = 3,150,897.47 × 3,150,897.47
  4. Step 4: Simplify right side
    2,102,937.19x = 9,928,154,858,575.16
  5. Step 5: Solve for x
    x = 9,928,154,858,575.16/2,102,937.19
  6. Step 6: Final answer
    x = 4,721,089.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.