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Finding the Third Proportional to 2,626,279.45 and 5,644,886.20

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Solution

The third proportional to 2,626,279.45 and 5,644,886.20 is: 12,133,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626,279.45 : 5,644,886.20 = 5,644,886.20 : x
  2. Step 2: Convert to fraction form
    2,626,279.45/5,644,886.20 = 5,644,886.20/x
  3. Step 3: Cross multiply
    2,626,279.45x = 5,644,886.20 × 5,644,886.20
  4. Step 4: Simplify right side
    2,626,279.45x = 31,864,740,246,230.98
  5. Step 5: Solve for x
    x = 31,864,740,246,230.98/2,626,279.45
  6. Step 6: Final answer
    x = 12,133,034.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.