Home / 120,902,485.50-262,331,877.75

Finding the Third Proportional to 120,902,485.50 and 262,331,877.75

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Solution

The third proportional to 120,902,485.50 and 262,331,877.75 is: 569,202,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902,485.50 : 262,331,877.75 = 262,331,877.75 : x
  2. Step 2: Convert to fraction form
    120,902,485.50/262,331,877.75 = 262,331,877.75/x
  3. Step 3: Cross multiply
    120,902,485.50x = 262,331,877.75 × 262,331,877.75
  4. Step 4: Simplify right side
    120,902,485.50x = 68,818,014,083,840,944
  5. Step 5: Solve for x
    x = 68,818,014,083,840,944/120,902,485.50
  6. Step 6: Final answer
    x = 569,202,641.28

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.