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Finding the Third Proportional to 2,938,578.75 and 4,540,854.94

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Solution

The third proportional to 2,938,578.75 and 4,540,854.94 is: 7,016,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,578.75 : 4,540,854.94 = 4,540,854.94 : x
  2. Step 2: Convert to fraction form
    2,938,578.75/4,540,854.94 = 4,540,854.94/x
  3. Step 3: Cross multiply
    2,938,578.75x = 4,540,854.94 × 4,540,854.94
  4. Step 4: Simplify right side
    2,938,578.75x = 20,619,363,563,418.13
  5. Step 5: Solve for x
    x = 20,619,363,563,418.13/2,938,578.75
  6. Step 6: Final answer
    x = 7,016,781.01

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.