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Finding the Third Proportional to 98,928,634.50 and 211,442,692.50

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Solution

The third proportional to 98,928,634.50 and 211,442,692.50 is: 451,921,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,928,634.50 : 211,442,692.50 = 211,442,692.50 : x
  2. Step 2: Convert to fraction form
    98,928,634.50/211,442,692.50 = 211,442,692.50/x
  3. Step 3: Cross multiply
    98,928,634.50x = 211,442,692.50 × 211,442,692.50
  4. Step 4: Simplify right side
    98,928,634.50x = 44,708,012,211,649,560
  5. Step 5: Solve for x
    x = 44,708,012,211,649,560/98,928,634.50
  6. Step 6: Final answer
    x = 451,921,856.98

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.