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Finding the Third Proportional to 19,393,556 and 28,922,157

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Solution

The third proportional to 19,393,556 and 28,922,157 is: 43,132,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393,556 : 28,922,157 = 28,922,157 : x
  2. Step 2: Convert to fraction form
    19,393,556/28,922,157 = 28,922,157/x
  3. Step 3: Cross multiply
    19,393,556x = 28,922,157 × 28,922,157
  4. Step 4: Simplify right side
    19,393,556x = 836,491,165,532,649
  5. Step 5: Solve for x
    x = 836,491,165,532,649/19,393,556
  6. Step 6: Final answer
    x = 43,132,428.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.