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Finding the Third Proportional to 197,548,808 and 425,439,520

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Solution

The third proportional to 197,548,808 and 425,439,520 is: 916,223,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,548,808 : 425,439,520 = 425,439,520 : x
  2. Step 2: Convert to fraction form
    197,548,808/425,439,520 = 425,439,520/x
  3. Step 3: Cross multiply
    197,548,808x = 425,439,520 × 425,439,520
  4. Step 4: Simplify right side
    197,548,808x = 180,998,785,177,830,400
  5. Step 5: Solve for x
    x = 180,998,785,177,830,400/197,548,808
  6. Step 6: Final answer
    x = 916,223,119.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.