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Finding the Third Proportional to 21,826,779 and 34,239,729

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Solution

The third proportional to 21,826,779 and 34,239,729 is: 53,711,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826,779 : 34,239,729 = 34,239,729 : x
  2. Step 2: Convert to fraction form
    21,826,779/34,239,729 = 34,239,729/x
  3. Step 3: Cross multiply
    21,826,779x = 34,239,729 × 34,239,729
  4. Step 4: Simplify right side
    21,826,779x = 1,172,359,041,993,441
  5. Step 5: Solve for x
    x = 1,172,359,041,993,441/21,826,779
  6. Step 6: Final answer
    x = 53,711,958.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.