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Finding the Third Proportional to 1,489,662,166 and 3,237,172,604

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Solution

The third proportional to 1,489,662,166 and 3,237,172,604 is: 7,034,673,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,662,166 : 3,237,172,604 = 3,237,172,604 : x
  2. Step 2: Convert to fraction form
    1,489,662,166/3,237,172,604 = 3,237,172,604/x
  3. Step 3: Cross multiply
    1,489,662,166x = 3,237,172,604 × 3,237,172,604
  4. Step 4: Simplify right side
    1,489,662,166x = 10,479,286,468,088,141,824
  5. Step 5: Solve for x
    x = 10,479,286,468,088,141,824/1,489,662,166
  6. Step 6: Final answer
    x = 7,034,673,167.69

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.