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Finding the Third Proportional to 1,313,663.63 and 1,979,892

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Solution

The third proportional to 1,313,663.63 and 1,979,892 is: 2,984,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,663.63 : 1,979,892 = 1,979,892 : x
  2. Step 2: Convert to fraction form
    1,313,663.63/1,979,892 = 1,979,892/x
  3. Step 3: Cross multiply
    1,313,663.63x = 1,979,892 × 1,979,892
  4. Step 4: Simplify right side
    1,313,663.63x = 3,919,972,331,664
  5. Step 5: Solve for x
    x = 3,919,972,331,664/1,313,663.63
  6. Step 6: Final answer
    x = 2,984,000.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.