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Finding the Third Proportional to 2,102,216.50 and 3,246,488.63

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Solution

The third proportional to 2,102,216.50 and 3,246,488.63 is: 5,013,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,216.50 : 3,246,488.63 = 3,246,488.63 : x
  2. Step 2: Convert to fraction form
    2,102,216.50/3,246,488.63 = 3,246,488.63/x
  3. Step 3: Cross multiply
    2,102,216.50x = 3,246,488.63 × 3,246,488.63
  4. Step 4: Simplify right side
    2,102,216.50x = 10,539,688,392,254.39
  5. Step 5: Solve for x
    x = 10,539,688,392,254.39/2,102,216.50
  6. Step 6: Final answer
    x = 5,013,607.49

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.