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Finding the Third Proportional to 638,431,094 and 898,659,887

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Solution

The third proportional to 638,431,094 and 898,659,887 is: 1,264,959,680.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,431,094 : 898,659,887 = 898,659,887 : x
  2. Step 2: Convert to fraction form
    638,431,094/898,659,887 = 898,659,887/x
  3. Step 3: Cross multiply
    638,431,094x = 898,659,887 × 898,659,887
  4. Step 4: Simplify right side
    638,431,094x = 807,589,592,502,852,736
  5. Step 5: Solve for x
    x = 807,589,592,502,852,736/638,431,094
  6. Step 6: Final answer
    x = 1,264,959,680.21

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.