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Finding the Third Proportional to 21,777,543 and 29,593,921.50

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Solution

The third proportional to 21,777,543 and 29,593,921.50 is: 40,215,748.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,777,543 : 29,593,921.50 = 29,593,921.50 : x
  2. Step 2: Convert to fraction form
    21,777,543/29,593,921.50 = 29,593,921.50/x
  3. Step 3: Cross multiply
    21,777,543x = 29,593,921.50 × 29,593,921.50
  4. Step 4: Simplify right side
    21,777,543x = 875,800,189,748,162.25
  5. Step 5: Solve for x
    x = 875,800,189,748,162.25/21,777,543
  6. Step 6: Final answer
    x = 40,215,748.39

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.