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Finding the Third Proportional to 28,126,718 and 42,264,966

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Solution

The third proportional to 28,126,718 and 42,264,966 is: 63,509,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,718 : 42,264,966 = 42,264,966 : x
  2. Step 2: Convert to fraction form
    28,126,718/42,264,966 = 42,264,966/x
  3. Step 3: Cross multiply
    28,126,718x = 42,264,966 × 42,264,966
  4. Step 4: Simplify right side
    28,126,718x = 1,786,327,350,981,156
  5. Step 5: Solve for x
    x = 1,786,327,350,981,156/28,126,718
  6. Step 6: Final answer
    x = 63,509,981.90

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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.