Home / 189,856,477.13-285,290,231.63

Finding the Third Proportional to 189,856,477.13 and 285,290,231.63

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Solution

The third proportional to 189,856,477.13 and 285,290,231.63 is: 428,694,967.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,856,477.13 : 285,290,231.63 = 285,290,231.63 : x
  2. Step 2: Convert to fraction form
    189,856,477.13/285,290,231.63 = 285,290,231.63/x
  3. Step 3: Cross multiply
    189,856,477.13x = 285,290,231.63 × 285,290,231.63
  4. Step 4: Simplify right side
    189,856,477.13x = 81,390,516,260,646,144
  5. Step 5: Solve for x
    x = 81,390,516,260,646,144/189,856,477.13
  6. Step 6: Final answer
    x = 428,694,967.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.