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Finding the Third Proportional to 43,163,570 and 90,317,956

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Solution

The third proportional to 43,163,570 and 90,317,956 is: 188,986,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,163,570 : 90,317,956 = 90,317,956 : x
  2. Step 2: Convert to fraction form
    43,163,570/90,317,956 = 90,317,956/x
  3. Step 3: Cross multiply
    43,163,570x = 90,317,956 × 90,317,956
  4. Step 4: Simplify right side
    43,163,570x = 8,157,333,176,017,936
  5. Step 5: Solve for x
    x = 8,157,333,176,017,936/43,163,570
  6. Step 6: Final answer
    x = 188,986,526.74

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.