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Finding the Third Proportional to 1,779,849.49 and 3,883,126.92

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Solution

The third proportional to 1,779,849.49 and 3,883,126.92 is: 8,471,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,849.49 : 3,883,126.92 = 3,883,126.92 : x
  2. Step 2: Convert to fraction form
    1,779,849.49/3,883,126.92 = 3,883,126.92/x
  3. Step 3: Cross multiply
    1,779,849.49x = 3,883,126.92 × 3,883,126.92
  4. Step 4: Simplify right side
    1,779,849.49x = 15,078,674,691,390.41
  5. Step 5: Solve for x
    x = 15,078,674,691,390.41/1,779,849.49
  6. Step 6: Final answer
    x = 8,471,881.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.