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Finding the Third Proportional to 28,720,098 and 43,109,523

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Solution

The third proportional to 28,720,098 and 43,109,523 is: 64,708,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,720,098 : 43,109,523 = 43,109,523 : x
  2. Step 2: Convert to fraction form
    28,720,098/43,109,523 = 43,109,523/x
  3. Step 3: Cross multiply
    28,720,098x = 43,109,523 × 43,109,523
  4. Step 4: Simplify right side
    28,720,098x = 1,858,430,973,287,529
  5. Step 5: Solve for x
    x = 1,858,430,973,287,529/28,720,098
  6. Step 6: Final answer
    x = 64,708,378.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.