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Finding the Third Proportional to 99,126,326 and 214,724,380

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Solution

The third proportional to 99,126,326 and 214,724,380 is: 465,129,307.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,126,326 : 214,724,380 = 214,724,380 : x
  2. Step 2: Convert to fraction form
    99,126,326/214,724,380 = 214,724,380/x
  3. Step 3: Cross multiply
    99,126,326x = 214,724,380 × 214,724,380
  4. Step 4: Simplify right side
    99,126,326x = 46,106,559,366,384,400
  5. Step 5: Solve for x
    x = 46,106,559,366,384,400/99,126,326
  6. Step 6: Final answer
    x = 465,129,307.49

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.