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Finding the Third Proportional to 19,811,715 and 43,140,594

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Solution

The third proportional to 19,811,715 and 43,140,594 is: 93,939,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811,715 : 43,140,594 = 43,140,594 : x
  2. Step 2: Convert to fraction form
    19,811,715/43,140,594 = 43,140,594/x
  3. Step 3: Cross multiply
    19,811,715x = 43,140,594 × 43,140,594
  4. Step 4: Simplify right side
    19,811,715x = 1,861,110,850,672,836
  5. Step 5: Solve for x
    x = 1,861,110,850,672,836/19,811,715
  6. Step 6: Final answer
    x = 93,939,916.39

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.