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Finding the Third Proportional to 145,419,575 and 318,202,930

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Solution

The third proportional to 145,419,575 and 318,202,930 is: 696,282,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,419,575 : 318,202,930 = 318,202,930 : x
  2. Step 2: Convert to fraction form
    145,419,575/318,202,930 = 318,202,930/x
  3. Step 3: Cross multiply
    145,419,575x = 318,202,930 × 318,202,930
  4. Step 4: Simplify right side
    145,419,575x = 101,253,104,660,584,896
  5. Step 5: Solve for x
    x = 101,253,104,660,584,896/145,419,575
  6. Step 6: Final answer
    x = 696,282,496.08

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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.