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Finding the Third Proportional to 40,599,590 and 55,299,129

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Solution

The third proportional to 40,599,590 and 55,299,129 is: 75,320,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,599,590 : 55,299,129 = 55,299,129 : x
  2. Step 2: Convert to fraction form
    40,599,590/55,299,129 = 55,299,129/x
  3. Step 3: Cross multiply
    40,599,590x = 55,299,129 × 55,299,129
  4. Step 4: Simplify right side
    40,599,590x = 3,057,993,668,158,641
  5. Step 5: Solve for x
    x = 3,057,993,668,158,641/40,599,590
  6. Step 6: Final answer
    x = 75,320,801.72

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.