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Finding the Third Proportional to 1,296,308.81 and 1,867,379.06

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Solution

The third proportional to 1,296,308.81 and 1,867,379.06 is: 2,690,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,308.81 : 1,867,379.06 = 1,867,379.06 : x
  2. Step 2: Convert to fraction form
    1,296,308.81/1,867,379.06 = 1,867,379.06/x
  3. Step 3: Cross multiply
    1,296,308.81x = 1,867,379.06 × 1,867,379.06
  4. Step 4: Simplify right side
    1,296,308.81x = 3,487,104,563,063.38
  5. Step 5: Solve for x
    x = 3,487,104,563,063.38/1,296,308.81
  6. Step 6: Final answer
    x = 2,690,026.12

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.