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Finding the Third Proportional to 19,999,926 and 28,318,320

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Solution

The third proportional to 19,999,926 and 28,318,320 is: 40,096,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,999,926 : 28,318,320 = 28,318,320 : x
  2. Step 2: Convert to fraction form
    19,999,926/28,318,320 = 28,318,320/x
  3. Step 3: Cross multiply
    19,999,926x = 28,318,320 × 28,318,320
  4. Step 4: Simplify right side
    19,999,926x = 801,927,247,622,400
  5. Step 5: Solve for x
    x = 801,927,247,622,400/19,999,926
  6. Step 6: Final answer
    x = 40,096,510.74

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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.