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Finding the Third Proportional to 40,032,368.44 and 87,405,265.69

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Solution

The third proportional to 40,032,368.44 and 87,405,265.69 is: 190,837,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,032,368.44 : 87,405,265.69 = 87,405,265.69 : x
  2. Step 2: Convert to fraction form
    40,032,368.44/87,405,265.69 = 87,405,265.69/x
  3. Step 3: Cross multiply
    40,032,368.44x = 87,405,265.69 × 87,405,265.69
  4. Step 4: Simplify right side
    40,032,368.44x = 7,639,680,469,902,465
  5. Step 5: Solve for x
    x = 7,639,680,469,902,465/40,032,368.44
  6. Step 6: Final answer
    x = 190,837,583.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.