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Finding the Third Proportional to 85,068,388 and 186,606,200

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Solution

The third proportional to 85,068,388 and 186,606,200 is: 409,339,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,068,388 : 186,606,200 = 186,606,200 : x
  2. Step 2: Convert to fraction form
    85,068,388/186,606,200 = 186,606,200/x
  3. Step 3: Cross multiply
    85,068,388x = 186,606,200 × 186,606,200
  4. Step 4: Simplify right side
    85,068,388x = 34,821,873,878,440,000
  5. Step 5: Solve for x
    x = 34,821,873,878,440,000/85,068,388
  6. Step 6: Final answer
    x = 409,339,764.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.