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Finding the Third Proportional to 90,785,475 and 197,003,070

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Solution

The third proportional to 90,785,475 and 197,003,070 is: 427,493,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,785,475 : 197,003,070 = 197,003,070 : x
  2. Step 2: Convert to fraction form
    90,785,475/197,003,070 = 197,003,070/x
  3. Step 3: Cross multiply
    90,785,475x = 197,003,070 × 197,003,070
  4. Step 4: Simplify right side
    90,785,475x = 38,810,209,589,424,896
  5. Step 5: Solve for x
    x = 38,810,209,589,424,896/90,785,475
  6. Step 6: Final answer
    x = 427,493,600.59

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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.