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Finding the Third Proportional to 169,938 and 373,428

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Solution

The third proportional to 169,938 and 373,428 is: 820,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,938 : 373,428 = 373,428 : x
  2. Step 2: Convert to fraction form
    169,938/373,428 = 373,428/x
  3. Step 3: Cross multiply
    169,938x = 373,428 × 373,428
  4. Step 4: Simplify right side
    169,938x = 139,448,471,184
  5. Step 5: Solve for x
    x = 139,448,471,184/169,938
  6. Step 6: Final answer
    x = 820,584.40

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.