Home / 196,181,336.63-420,529,455.75

Finding the Third Proportional to 196,181,336.63 and 420,529,455.75

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Solution

The third proportional to 196,181,336.63 and 420,529,455.75 is: 901,436,529.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,181,336.63 : 420,529,455.75 = 420,529,455.75 : x
  2. Step 2: Convert to fraction form
    196,181,336.63/420,529,455.75 = 420,529,455.75/x
  3. Step 3: Cross multiply
    196,181,336.63x = 420,529,455.75 × 420,529,455.75
  4. Step 4: Simplify right side
    196,181,336.63x = 176,845,023,153,391,200
  5. Step 5: Solve for x
    x = 176,845,023,153,391,200/196,181,336.63
  6. Step 6: Final answer
    x = 901,436,529.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.