Home / 21,211,680,963-31,906,080,202.50

Finding the Third Proportional to 21,211,680,963 and 31,906,080,202.50

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Solution

The third proportional to 21,211,680,963 and 31,906,080,202.50 is: 47,992,328,173.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,211,680,963 : 31,906,080,202.50 = 31,906,080,202.50 : x
  2. Step 2: Convert to fraction form
    21,211,680,963/31,906,080,202.50 = 31,906,080,202.50/x
  3. Step 3: Cross multiply
    21,211,680,963x = 31,906,080,202.50 × 31,906,080,202.50
  4. Step 4: Simplify right side
    21,211,680,963x = 1,017,997,953,888,362,430,464
  5. Step 5: Solve for x
    x = 1,017,997,953,888,362,430,464/21,211,680,963
  6. Step 6: Final answer
    x = 47,992,328,173.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.