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Finding the Third Proportional to 188,555,363 and 290,903,897

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Solution

The third proportional to 188,555,363 and 290,903,897 is: 448,807,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,555,363 : 290,903,897 = 290,903,897 : x
  2. Step 2: Convert to fraction form
    188,555,363/290,903,897 = 290,903,897/x
  3. Step 3: Cross multiply
    188,555,363x = 290,903,897 × 290,903,897
  4. Step 4: Simplify right side
    188,555,363x = 84,625,077,289,786,608
  5. Step 5: Solve for x
    x = 84,625,077,289,786,608/188,555,363
  6. Step 6: Final answer
    x = 448,807,585.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.