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Finding the Third Proportional to 4,888,947.38 and 7,739,701.88

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Solution

The third proportional to 4,888,947.38 and 7,739,701.88 is: 12,252,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888,947.38 : 7,739,701.88 = 7,739,701.88 : x
  2. Step 2: Convert to fraction form
    4,888,947.38/7,739,701.88 = 7,739,701.88/x
  3. Step 3: Cross multiply
    4,888,947.38x = 7,739,701.88 × 7,739,701.88
  4. Step 4: Simplify right side
    4,888,947.38x = 59,902,985,113,878.52
  5. Step 5: Solve for x
    x = 59,902,985,113,878.52/4,888,947.38
  6. Step 6: Final answer
    x = 12,252,736.74

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.