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Finding the Third Proportional to 1,987,136,069.63 and 4,335,208,929

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Solution

The third proportional to 1,987,136,069.63 and 4,335,208,929 is: 9,457,850,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,136,069.63 : 4,335,208,929 = 4,335,208,929 : x
  2. Step 2: Convert to fraction form
    1,987,136,069.63/4,335,208,929 = 4,335,208,929/x
  3. Step 3: Cross multiply
    1,987,136,069.63x = 4,335,208,929 × 4,335,208,929
  4. Step 4: Simplify right side
    1,987,136,069.63x = 18,794,036,458,081,325,056
  5. Step 5: Solve for x
    x = 18,794,036,458,081,325,056/1,987,136,069.63
  6. Step 6: Final answer
    x = 9,457,850,796.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.