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Finding the Third Proportional to 28,126,742 and 42,264,999

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Solution

The third proportional to 28,126,742 and 42,264,999 is: 63,510,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,742 : 42,264,999 = 42,264,999 : x
  2. Step 2: Convert to fraction form
    28,126,742/42,264,999 = 42,264,999/x
  3. Step 3: Cross multiply
    28,126,742x = 42,264,999 × 42,264,999
  4. Step 4: Simplify right side
    28,126,742x = 1,786,330,140,470,001
  5. Step 5: Solve for x
    x = 1,786,330,140,470,001/28,126,742
  6. Step 6: Final answer
    x = 63,510,026.88

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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.