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Finding the Third Proportional to 384,210 and 573,202

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Solution

The third proportional to 384,210 and 573,202 is: 855,158.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,210 : 573,202 = 573,202 : x
  2. Step 2: Convert to fraction form
    384,210/573,202 = 573,202/x
  3. Step 3: Cross multiply
    384,210x = 573,202 × 573,202
  4. Step 4: Simplify right side
    384,210x = 328,560,532,804
  5. Step 5: Solve for x
    x = 328,560,532,804/384,210
  6. Step 6: Final answer
    x = 855,158.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.