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Finding the Third Proportional to 7,279,924 and 15,990,996

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Solution

The third proportional to 7,279,924 and 15,990,996 is: 35,125,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,924 : 15,990,996 = 15,990,996 : x
  2. Step 2: Convert to fraction form
    7,279,924/15,990,996 = 15,990,996/x
  3. Step 3: Cross multiply
    7,279,924x = 15,990,996 × 15,990,996
  4. Step 4: Simplify right side
    7,279,924x = 255,711,953,072,016
  5. Step 5: Solve for x
    x = 255,711,953,072,016/7,279,924
  6. Step 6: Final answer
    x = 35,125,634.98

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.