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Finding the Third Proportional to 303,257,455.50 and 433,362,790.50

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Solution

The third proportional to 303,257,455.50 and 433,362,790.50 is: 619,286,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,257,455.50 : 433,362,790.50 = 433,362,790.50 : x
  2. Step 2: Convert to fraction form
    303,257,455.50/433,362,790.50 = 433,362,790.50/x
  3. Step 3: Cross multiply
    303,257,455.50x = 433,362,790.50 × 433,362,790.50
  4. Step 4: Simplify right side
    303,257,455.50x = 187,803,308,189,946,880
  5. Step 5: Solve for x
    x = 187,803,308,189,946,880/303,257,455.50
  6. Step 6: Final answer
    x = 619,286,697.77

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.