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Finding the Third Proportional to 18,562,650 and 39,867,306

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Solution

The third proportional to 18,562,650 and 39,867,306 is: 85,623,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562,650 : 39,867,306 = 39,867,306 : x
  2. Step 2: Convert to fraction form
    18,562,650/39,867,306 = 39,867,306/x
  3. Step 3: Cross multiply
    18,562,650x = 39,867,306 × 39,867,306
  4. Step 4: Simplify right side
    18,562,650x = 1,589,402,087,697,636
  5. Step 5: Solve for x
    x = 1,589,402,087,697,636/18,562,650
  6. Step 6: Final answer
    x = 85,623,662.98

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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.