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Finding the Third Proportional to 10,308,075.75 and 20,355,959

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Solution

The third proportional to 10,308,075.75 and 20,355,959 is: 40,198,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,308,075.75 : 20,355,959 = 20,355,959 : x
  2. Step 2: Convert to fraction form
    10,308,075.75/20,355,959 = 20,355,959/x
  3. Step 3: Cross multiply
    10,308,075.75x = 20,355,959 × 20,355,959
  4. Step 4: Simplify right side
    10,308,075.75x = 414,365,066,809,681
  5. Step 5: Solve for x
    x = 414,365,066,809,681/10,308,075.75
  6. Step 6: Final answer
    x = 40,198,100.68

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.