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Finding the Third Proportional to 65,709,805.50 and 102,148,852.50

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Solution

The third proportional to 65,709,805.50 and 102,148,852.50 is: 158,794,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,709,805.50 : 102,148,852.50 = 102,148,852.50 : x
  2. Step 2: Convert to fraction form
    65,709,805.50/102,148,852.50 = 102,148,852.50/x
  3. Step 3: Cross multiply
    65,709,805.50x = 102,148,852.50 × 102,148,852.50
  4. Step 4: Simplify right side
    65,709,805.50x = 10,434,388,067,066,756
  5. Step 5: Solve for x
    x = 10,434,388,067,066,756/65,709,805.50
  6. Step 6: Final answer
    x = 158,794,992.43

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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.