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Finding the Third Proportional to 89,465,970 and 195,678,852

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Solution

The third proportional to 89,465,970 and 195,678,852 is: 427,986,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,465,970 : 195,678,852 = 195,678,852 : x
  2. Step 2: Convert to fraction form
    89,465,970/195,678,852 = 195,678,852/x
  3. Step 3: Cross multiply
    89,465,970x = 195,678,852 × 195,678,852
  4. Step 4: Simplify right side
    89,465,970x = 38,290,213,120,037,904
  5. Step 5: Solve for x
    x = 38,290,213,120,037,904/89,465,970
  6. Step 6: Final answer
    x = 427,986,340.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.