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Finding the Third Proportional to 13,749,811 and 30,143,703

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Solution

The third proportional to 13,749,811 and 30,143,703 is: 66,084,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,811 : 30,143,703 = 30,143,703 : x
  2. Step 2: Convert to fraction form
    13,749,811/30,143,703 = 30,143,703/x
  3. Step 3: Cross multiply
    13,749,811x = 30,143,703 × 30,143,703
  4. Step 4: Simplify right side
    13,749,811x = 908,642,830,552,209
  5. Step 5: Solve for x
    x = 908,642,830,552,209/13,749,811
  6. Step 6: Final answer
    x = 66,084,023.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.