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Finding the Third Proportional to 28,898,344.69 and 39,627,429.19

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Solution

The third proportional to 28,898,344.69 and 39,627,429.19 is: 54,339,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898,344.69 : 39,627,429.19 = 39,627,429.19 : x
  2. Step 2: Convert to fraction form
    28,898,344.69/39,627,429.19 = 39,627,429.19/x
  3. Step 3: Cross multiply
    28,898,344.69x = 39,627,429.19 × 39,627,429.19
  4. Step 4: Simplify right side
    28,898,344.69x = 1,570,333,144,010,327
  5. Step 5: Solve for x
    x = 1,570,333,144,010,327/28,898,344.69
  6. Step 6: Final answer
    x = 54,339,899.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.