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Finding the Third Proportional to 18,927,812 and 41,085,985

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Solution

The third proportional to 18,927,812 and 41,085,985 is: 89,184,009.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,812 : 41,085,985 = 41,085,985 : x
  2. Step 2: Convert to fraction form
    18,927,812/41,085,985 = 41,085,985/x
  3. Step 3: Cross multiply
    18,927,812x = 41,085,985 × 41,085,985
  4. Step 4: Simplify right side
    18,927,812x = 1,688,058,163,420,225
  5. Step 5: Solve for x
    x = 1,688,058,163,420,225/18,927,812
  6. Step 6: Final answer
    x = 89,184,009.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.