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Finding the Third Proportional to 19,999,928 and 28,318,323

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Solution

The third proportional to 19,999,928 and 28,318,323 is: 40,096,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999,928 : 28,318,323 = 28,318,323 : x
  2. Step 2: Convert to fraction form
    19,999,928/28,318,323 = 28,318,323/x
  3. Step 3: Cross multiply
    19,999,928x = 28,318,323 × 28,318,323
  4. Step 4: Simplify right side
    19,999,928x = 801,927,417,532,329
  5. Step 5: Solve for x
    x = 801,927,417,532,329/19,999,928
  6. Step 6: Final answer
    x = 40,096,515.22

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.