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Finding the Third Proportional to 70,721,858 and 152,325,796

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Solution

The third proportional to 70,721,858 and 152,325,796 is: 328,090,194.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721,858 : 152,325,796 = 152,325,796 : x
  2. Step 2: Convert to fraction form
    70,721,858/152,325,796 = 152,325,796/x
  3. Step 3: Cross multiply
    70,721,858x = 152,325,796 × 152,325,796
  4. Step 4: Simplify right side
    70,721,858x = 23,203,148,127,033,616
  5. Step 5: Solve for x
    x = 23,203,148,127,033,616/70,721,858
  6. Step 6: Final answer
    x = 328,090,194.22

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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.