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Finding the Third Proportional to 42,947,802 and 90,870,190

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Solution

The third proportional to 42,947,802 and 90,870,190 is: 192,265,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,947,802 : 90,870,190 = 90,870,190 : x
  2. Step 2: Convert to fraction form
    42,947,802/90,870,190 = 90,870,190/x
  3. Step 3: Cross multiply
    42,947,802x = 90,870,190 × 90,870,190
  4. Step 4: Simplify right side
    42,947,802x = 8,257,391,430,636,100
  5. Step 5: Solve for x
    x = 8,257,391,430,636,100/42,947,802
  6. Step 6: Final answer
    x = 192,265,751.59

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.