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Finding the Third Proportional to 221,303,524 and 355,574,454

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Solution

The third proportional to 221,303,524 and 355,574,454 is: 571,311,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,303,524 : 355,574,454 = 355,574,454 : x
  2. Step 2: Convert to fraction form
    221,303,524/355,574,454 = 355,574,454/x
  3. Step 3: Cross multiply
    221,303,524x = 355,574,454 × 355,574,454
  4. Step 4: Simplify right side
    221,303,524x = 126,433,192,337,398,112
  5. Step 5: Solve for x
    x = 126,433,192,337,398,112/221,303,524
  6. Step 6: Final answer
    x = 571,311,247.34

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.