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Finding the Third Proportional to 80,139,899.25 and 127,000,987.88

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Solution

The third proportional to 80,139,899.25 and 127,000,987.88 is: 201,263,678.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,139,899.25 : 127,000,987.88 = 127,000,987.88 : x
  2. Step 2: Convert to fraction form
    80,139,899.25/127,000,987.88 = 127,000,987.88/x
  3. Step 3: Cross multiply
    80,139,899.25x = 127,000,987.88 × 127,000,987.88
  4. Step 4: Simplify right side
    80,139,899.25x = 16,129,250,921,225,898
  5. Step 5: Solve for x
    x = 16,129,250,921,225,898/80,139,899.25
  6. Step 6: Final answer
    x = 201,263,678.54

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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.