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Finding the Third Proportional to 18,630,664 and 40,095,679

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Solution

The third proportional to 18,630,664 and 40,095,679 is: 86,291,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630,664 : 40,095,679 = 40,095,679 : x
  2. Step 2: Convert to fraction form
    18,630,664/40,095,679 = 40,095,679/x
  3. Step 3: Cross multiply
    18,630,664x = 40,095,679 × 40,095,679
  4. Step 4: Simplify right side
    18,630,664x = 1,607,663,474,471,041
  5. Step 5: Solve for x
    x = 1,607,663,474,471,041/18,630,664
  6. Step 6: Final answer
    x = 86,291,260.18

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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.