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Finding the Third Proportional to 28,811,421 and 43,948,845

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Solution

The third proportional to 28,811,421 and 43,948,845 is: 67,039,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,421 : 43,948,845 = 43,948,845 : x
  2. Step 2: Convert to fraction form
    28,811,421/43,948,845 = 43,948,845/x
  3. Step 3: Cross multiply
    28,811,421x = 43,948,845 × 43,948,845
  4. Step 4: Simplify right side
    28,811,421x = 1,931,500,976,834,025
  5. Step 5: Solve for x
    x = 1,931,500,976,834,025/28,811,421
  6. Step 6: Final answer
    x = 67,039,420.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.