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Finding the Third Proportional to 13,187,829 and 28,117,590

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Solution

The third proportional to 13,187,829 and 28,117,590 is: 59,949,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,829 : 28,117,590 = 28,117,590 : x
  2. Step 2: Convert to fraction form
    13,187,829/28,117,590 = 28,117,590/x
  3. Step 3: Cross multiply
    13,187,829x = 28,117,590 × 28,117,590
  4. Step 4: Simplify right side
    13,187,829x = 790,598,867,408,100
  5. Step 5: Solve for x
    x = 790,598,867,408,100/13,187,829
  6. Step 6: Final answer
    x = 59,949,129.41

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.