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Finding the Third Proportional to 2,938,702.88 and 4,539,069.56

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Solution

The third proportional to 2,938,702.88 and 4,539,069.56 is: 7,010,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,702.88 : 4,539,069.56 = 4,539,069.56 : x
  2. Step 2: Convert to fraction form
    2,938,702.88/4,539,069.56 = 4,539,069.56/x
  3. Step 3: Cross multiply
    2,938,702.88x = 4,539,069.56 × 4,539,069.56
  4. Step 4: Simplify right side
    2,938,702.88x = 20,603,152,493,213.94
  5. Step 5: Solve for x
    x = 20,603,152,493,213.94/2,938,702.88
  6. Step 6: Final answer
    x = 7,010,968.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.