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Finding the Third Proportional to 18,734,705 and 28,102,056

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Solution

The third proportional to 18,734,705 and 28,102,056 is: 42,153,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734,705 : 28,102,056 = 28,102,056 : x
  2. Step 2: Convert to fraction form
    18,734,705/28,102,056 = 28,102,056/x
  3. Step 3: Cross multiply
    18,734,705x = 28,102,056 × 28,102,056
  4. Step 4: Simplify right side
    18,734,705x = 789,725,551,427,136
  5. Step 5: Solve for x
    x = 789,725,551,427,136/18,734,705
  6. Step 6: Final answer
    x = 42,153,081.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.