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Finding the Third Proportional to 191,903,588 and 280,658,132

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Solution

The third proportional to 191,903,588 and 280,658,132 is: 410,461,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903,588 : 280,658,132 = 280,658,132 : x
  2. Step 2: Convert to fraction form
    191,903,588/280,658,132 = 280,658,132/x
  3. Step 3: Cross multiply
    191,903,588x = 280,658,132 × 280,658,132
  4. Step 4: Simplify right side
    191,903,588x = 78,768,987,057,729,424
  5. Step 5: Solve for x
    x = 78,768,987,057,729,424/191,903,588
  6. Step 6: Final answer
    x = 410,461,252.33

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.