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Finding the Third Proportional to 1,818,974.63 and 3,031,441.88

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Solution

The third proportional to 1,818,974.63 and 3,031,441.88 is: 5,052,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,974.63 : 3,031,441.88 = 3,031,441.88 : x
  2. Step 2: Convert to fraction form
    1,818,974.63/3,031,441.88 = 3,031,441.88/x
  3. Step 3: Cross multiply
    1,818,974.63x = 3,031,441.88 × 3,031,441.88
  4. Step 4: Simplify right side
    1,818,974.63x = 9,189,639,841,503.52
  5. Step 5: Solve for x
    x = 9,189,639,841,503.52/1,818,974.63
  6. Step 6: Final answer
    x = 5,052,098.98

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.