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Finding the Third Proportional to 630,844,803 and 1,380,612,838

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Solution

The third proportional to 630,844,803 and 1,380,612,838 is: 3,021,490,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,844,803 : 1,380,612,838 = 1,380,612,838 : x
  2. Step 2: Convert to fraction form
    630,844,803/1,380,612,838 = 1,380,612,838/x
  3. Step 3: Cross multiply
    630,844,803x = 1,380,612,838 × 1,380,612,838
  4. Step 4: Simplify right side
    630,844,803x = 1,906,091,808,450,414,336
  5. Step 5: Solve for x
    x = 1,906,091,808,450,414,336/630,844,803
  6. Step 6: Final answer
    x = 3,021,490,863.34

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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.