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Finding the Third Proportional to 19,426,176 and 28,509,408

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Solution

The third proportional to 19,426,176 and 28,509,408 is: 41,839,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,176 : 28,509,408 = 28,509,408 : x
  2. Step 2: Convert to fraction form
    19,426,176/28,509,408 = 28,509,408/x
  3. Step 3: Cross multiply
    19,426,176x = 28,509,408 × 28,509,408
  4. Step 4: Simplify right side
    19,426,176x = 812,786,344,510,464
  5. Step 5: Solve for x
    x = 812,786,344,510,464/19,426,176
  6. Step 6: Final answer
    x = 41,839,749.86

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.