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Finding the Third Proportional to 1,081,419,894 and 2,220,168,588

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Solution

The third proportional to 1,081,419,894 and 2,220,168,588 is: 4,558,033,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,419,894 : 2,220,168,588 = 2,220,168,588 : x
  2. Step 2: Convert to fraction form
    1,081,419,894/2,220,168,588 = 2,220,168,588/x
  3. Step 3: Cross multiply
    1,081,419,894x = 2,220,168,588 × 2,220,168,588
  4. Step 4: Simplify right side
    1,081,419,894x = 4,929,148,559,141,913,600
  5. Step 5: Solve for x
    x = 4,929,148,559,141,913,600/1,081,419,894
  6. Step 6: Final answer
    x = 4,558,033,920.49

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.