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Finding the Third Proportional to 4,087,890 and 8,599,207

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Solution

The third proportional to 4,087,890 and 8,599,207 is: 18,089,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087,890 : 8,599,207 = 8,599,207 : x
  2. Step 2: Convert to fraction form
    4,087,890/8,599,207 = 8,599,207/x
  3. Step 3: Cross multiply
    4,087,890x = 8,599,207 × 8,599,207
  4. Step 4: Simplify right side
    4,087,890x = 73,946,361,028,849
  5. Step 5: Solve for x
    x = 73,946,361,028,849/4,087,890
  6. Step 6: Final answer
    x = 18,089,126.92

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.