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Finding the Third Proportional to 16,783,217 and 36,686,428

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Solution

The third proportional to 16,783,217 and 36,686,428 is: 80,192,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783,217 : 36,686,428 = 36,686,428 : x
  2. Step 2: Convert to fraction form
    16,783,217/36,686,428 = 36,686,428/x
  3. Step 3: Cross multiply
    16,783,217x = 36,686,428 × 36,686,428
  4. Step 4: Simplify right side
    16,783,217x = 1,345,893,999,399,184
  5. Step 5: Solve for x
    x = 1,345,893,999,399,184/16,783,217
  6. Step 6: Final answer
    x = 80,192,849.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.