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Finding the Third Proportional to 8,815,734.50 and 13,622,543.50

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Solution

The third proportional to 8,815,734.50 and 13,622,543.50 is: 21,050,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,734.50 : 13,622,543.50 = 13,622,543.50 : x
  2. Step 2: Convert to fraction form
    8,815,734.50/13,622,543.50 = 13,622,543.50/x
  3. Step 3: Cross multiply
    8,815,734.50x = 13,622,543.50 × 13,622,543.50
  4. Step 4: Simplify right side
    8,815,734.50x = 185,573,691,409,392.25
  5. Step 5: Solve for x
    x = 185,573,691,409,392.25/8,815,734.50
  6. Step 6: Final answer
    x = 21,050,281.34

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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.