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Finding the Third Proportional to 68,064,021 and 149,352,858

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Solution

The third proportional to 68,064,021 and 149,352,858 is: 327,724,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,064,021 : 149,352,858 = 149,352,858 : x
  2. Step 2: Convert to fraction form
    68,064,021/149,352,858 = 149,352,858/x
  3. Step 3: Cross multiply
    68,064,021x = 149,352,858 × 149,352,858
  4. Step 4: Simplify right side
    68,064,021x = 22,306,276,192,768,164
  5. Step 5: Solve for x
    x = 22,306,276,192,768,164/68,064,021
  6. Step 6: Final answer
    x = 327,724,925.23

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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.