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Finding the Third Proportional to 3,148,405,805 and 6,889,902,250

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Solution

The third proportional to 3,148,405,805 and 6,889,902,250 is: 15,077,711,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,405,805 : 6,889,902,250 = 6,889,902,250 : x
  2. Step 2: Convert to fraction form
    3,148,405,805/6,889,902,250 = 6,889,902,250/x
  3. Step 3: Cross multiply
    3,148,405,805x = 6,889,902,250 × 6,889,902,250
  4. Step 4: Simplify right side
    3,148,405,805x = 47,470,753,014,555,066,368
  5. Step 5: Solve for x
    x = 47,470,753,014,555,066,368/3,148,405,805
  6. Step 6: Final answer
    x = 15,077,711,055.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.