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Finding the Third Proportional to 191,909,604 and 273,509,903

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Solution

The third proportional to 191,909,604 and 273,509,903 is: 389,806,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,604 : 273,509,903 = 273,509,903 : x
  2. Step 2: Convert to fraction form
    191,909,604/273,509,903 = 273,509,903/x
  3. Step 3: Cross multiply
    191,909,604x = 273,509,903 × 273,509,903
  4. Step 4: Simplify right side
    191,909,604x = 74,807,667,039,069,408
  5. Step 5: Solve for x
    x = 74,807,667,039,069,408/191,909,604
  6. Step 6: Final answer
    x = 389,806,791.74

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.