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Finding the Third Proportional to 21,167,894 and 29,810,060

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Solution

The third proportional to 21,167,894 and 29,810,060 is: 41,980,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167,894 : 29,810,060 = 29,810,060 : x
  2. Step 2: Convert to fraction form
    21,167,894/29,810,060 = 29,810,060/x
  3. Step 3: Cross multiply
    21,167,894x = 29,810,060 × 29,810,060
  4. Step 4: Simplify right side
    21,167,894x = 888,639,677,203,600
  5. Step 5: Solve for x
    x = 888,639,677,203,600/21,167,894
  6. Step 6: Final answer
    x = 41,980,542.67

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.