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Finding the Third Proportional to 18,520,199 and 39,884,951

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Solution

The third proportional to 18,520,199 and 39,884,951 is: 85,895,908.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520,199 : 39,884,951 = 39,884,951 : x
  2. Step 2: Convert to fraction form
    18,520,199/39,884,951 = 39,884,951/x
  3. Step 3: Cross multiply
    18,520,199x = 39,884,951 × 39,884,951
  4. Step 4: Simplify right side
    18,520,199x = 1,590,809,316,272,401
  5. Step 5: Solve for x
    x = 1,590,809,316,272,401/18,520,199
  6. Step 6: Final answer
    x = 85,895,908.37

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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.