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Finding the Third Proportional to 39,899,402 and 85,953,843

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Solution

The third proportional to 39,899,402 and 85,953,843 is: 185,167,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899,402 : 85,953,843 = 85,953,843 : x
  2. Step 2: Convert to fraction form
    39,899,402/85,953,843 = 85,953,843/x
  3. Step 3: Cross multiply
    39,899,402x = 85,953,843 × 85,953,843
  4. Step 4: Simplify right side
    39,899,402x = 7,388,063,126,468,649
  5. Step 5: Solve for x
    x = 7,388,063,126,468,649/39,899,402
  6. Step 6: Final answer
    x = 185,167,264.57

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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.