Home / 1,262,157,172.31-1,886,171,611.78

Finding the Third Proportional to 1,262,157,172.31 and 1,886,171,611.78

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Solution

The third proportional to 1,262,157,172.31 and 1,886,171,611.78 is: 2,818,700,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,157,172.31 : 1,886,171,611.78 = 1,886,171,611.78 : x
  2. Step 2: Convert to fraction form
    1,262,157,172.31/1,886,171,611.78 = 1,886,171,611.78/x
  3. Step 3: Cross multiply
    1,262,157,172.31x = 1,886,171,611.78 × 1,886,171,611.78
  4. Step 4: Simplify right side
    1,262,157,172.31x = 3,557,643,349,089,289,728
  5. Step 5: Solve for x
    x = 3,557,643,349,089,289,728/1,262,157,172.31
  6. Step 6: Final answer
    x = 2,818,700,734.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.