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Finding the Third Proportional to 4,636,556 and 9,958,702

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Solution

The third proportional to 4,636,556 and 9,958,702 is: 21,389,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,636,556 : 9,958,702 = 9,958,702 : x
  2. Step 2: Convert to fraction form
    4,636,556/9,958,702 = 9,958,702/x
  3. Step 3: Cross multiply
    4,636,556x = 9,958,702 × 9,958,702
  4. Step 4: Simplify right side
    4,636,556x = 99,175,745,524,804
  5. Step 5: Solve for x
    x = 99,175,745,524,804/4,636,556
  6. Step 6: Final answer
    x = 21,389,959.60

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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.