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Finding the Third Proportional to 118,540 and 183,428

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Solution

The third proportional to 118,540 and 183,428 is: 283,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540 : 183,428 = 183,428 : x
  2. Step 2: Convert to fraction form
    118,540/183,428 = 183,428/x
  3. Step 3: Cross multiply
    118,540x = 183,428 × 183,428
  4. Step 4: Simplify right side
    118,540x = 33,645,831,184
  5. Step 5: Solve for x
    x = 33,645,831,184/118,540
  6. Step 6: Final answer
    x = 283,835.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.