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Finding the Third Proportional to 86,945,445 and 187,510,752

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Solution

The third proportional to 86,945,445 and 187,510,752 is: 404,394,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,945,445 : 187,510,752 = 187,510,752 : x
  2. Step 2: Convert to fraction form
    86,945,445/187,510,752 = 187,510,752/x
  3. Step 3: Cross multiply
    86,945,445x = 187,510,752 × 187,510,752
  4. Step 4: Simplify right side
    86,945,445x = 35,160,282,115,605,504
  5. Step 5: Solve for x
    x = 35,160,282,115,605,504/86,945,445
  6. Step 6: Final answer
    x = 404,394,757.14

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.