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Finding the Third Proportional to 40,957,460 and 87,993,120

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Solution

The third proportional to 40,957,460 and 87,993,120 is: 189,044,661.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,957,460 : 87,993,120 = 87,993,120 : x
  2. Step 2: Convert to fraction form
    40,957,460/87,993,120 = 87,993,120/x
  3. Step 3: Cross multiply
    40,957,460x = 87,993,120 × 87,993,120
  4. Step 4: Simplify right side
    40,957,460x = 7,742,789,167,334,400
  5. Step 5: Solve for x
    x = 7,742,789,167,334,400/40,957,460
  6. Step 6: Final answer
    x = 189,044,661.64

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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.