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Finding the Third Proportional to 191,903,566 and 280,658,102

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Solution

The third proportional to 191,903,566 and 280,658,102 is: 410,461,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,903,566 : 280,658,102 = 280,658,102 : x
  2. Step 2: Convert to fraction form
    191,903,566/280,658,102 = 280,658,102/x
  3. Step 3: Cross multiply
    191,903,566x = 280,658,102 × 280,658,102
  4. Step 4: Simplify right side
    191,903,566x = 78,768,970,218,242,400
  5. Step 5: Solve for x
    x = 78,768,970,218,242,400/191,903,566
  6. Step 6: Final answer
    x = 410,461,211.64

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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.