Home / 120,902,518.13-262,331,942.63

Finding the Third Proportional to 120,902,518.13 and 262,331,942.63

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Solution

The third proportional to 120,902,518.13 and 262,331,942.63 is: 569,202,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,902,518.13 : 262,331,942.63 = 262,331,942.63 : x
  2. Step 2: Convert to fraction form
    120,902,518.13/262,331,942.63 = 262,331,942.63/x
  3. Step 3: Cross multiply
    120,902,518.13x = 262,331,942.63 × 262,331,942.63
  4. Step 4: Simplify right side
    120,902,518.13x = 68,818,048,121,406,288
  5. Step 5: Solve for x
    x = 68,818,048,121,406,288/120,902,518.13
  6. Step 6: Final answer
    x = 569,202,769.21

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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.