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Finding the Third Proportional to 322,201 and 473,436

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Solution

The third proportional to 322,201 and 473,436 is: 695,657.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,201 : 473,436 = 473,436 : x
  2. Step 2: Convert to fraction form
    322,201/473,436 = 473,436/x
  3. Step 3: Cross multiply
    322,201x = 473,436 × 473,436
  4. Step 4: Simplify right side
    322,201x = 224,141,646,096
  5. Step 5: Solve for x
    x = 224,141,646,096/322,201
  6. Step 6: Final answer
    x = 695,657.82

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.