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Finding the Third Proportional to 30,497,038 and 62,617,556

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Solution

The third proportional to 30,497,038 and 62,617,556 is: 128,568,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,497,038 : 62,617,556 = 62,617,556 : x
  2. Step 2: Convert to fraction form
    30,497,038/62,617,556 = 62,617,556/x
  3. Step 3: Cross multiply
    30,497,038x = 62,617,556 × 62,617,556
  4. Step 4: Simplify right side
    30,497,038x = 3,920,958,319,413,136
  5. Step 5: Solve for x
    x = 3,920,958,319,413,136/30,497,038
  6. Step 6: Final answer
    x = 128,568,496.37

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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.