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Finding the Third Proportional to 131,674,691.25 and 286,529,449.50

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Solution

The third proportional to 131,674,691.25 and 286,529,449.50 is: 623,499,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,674,691.25 : 286,529,449.50 = 286,529,449.50 : x
  2. Step 2: Convert to fraction form
    131,674,691.25/286,529,449.50 = 286,529,449.50/x
  3. Step 3: Cross multiply
    131,674,691.25x = 286,529,449.50 × 286,529,449.50
  4. Step 4: Simplify right side
    131,674,691.25x = 82,099,125,430,773,056
  5. Step 5: Solve for x
    x = 82,099,125,430,773,056/131,674,691.25
  6. Step 6: Final answer
    x = 623,499,661.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.