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Finding the Third Proportional to 512,900,781.75 and 1,209,562,564.50

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Solution

The third proportional to 512,900,781.75 and 1,209,562,564.50 is: 2,852,484,631.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,900,781.75 : 1,209,562,564.50 = 1,209,562,564.50 : x
  2. Step 2: Convert to fraction form
    512,900,781.75/1,209,562,564.50 = 1,209,562,564.50/x
  3. Step 3: Cross multiply
    512,900,781.75x = 1,209,562,564.50 × 1,209,562,564.50
  4. Step 4: Simplify right side
    512,900,781.75x = 1,463,041,597,439,816,704
  5. Step 5: Solve for x
    x = 1,463,041,597,439,816,704/512,900,781.75
  6. Step 6: Final answer
    x = 2,852,484,631.53

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.