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Finding the Third Proportional to 80,139,899 and 127,000,987

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Solution

The third proportional to 80,139,899 and 127,000,987 is: 201,263,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,139,899 : 127,000,987 = 127,000,987 : x
  2. Step 2: Convert to fraction form
    80,139,899/127,000,987 = 127,000,987/x
  3. Step 3: Cross multiply
    80,139,899x = 127,000,987 × 127,000,987
  4. Step 4: Simplify right side
    80,139,899x = 16,129,250,698,974,168
  5. Step 5: Solve for x
    x = 16,129,250,698,974,168/80,139,899
  6. Step 6: Final answer
    x = 201,263,676.40

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.