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Finding the Third Proportional to 52,806,518 and 80,779,189

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Solution

The third proportional to 52,806,518 and 80,779,189 is: 123,569,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,806,518 : 80,779,189 = 80,779,189 : x
  2. Step 2: Convert to fraction form
    52,806,518/80,779,189 = 80,779,189/x
  3. Step 3: Cross multiply
    52,806,518x = 80,779,189 × 80,779,189
  4. Step 4: Simplify right side
    52,806,518x = 6,525,277,375,497,721
  5. Step 5: Solve for x
    x = 6,525,277,375,497,721/52,806,518
  6. Step 6: Final answer
    x = 123,569,544.49

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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.