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Finding the Third Proportional to 40,347 and 83,574

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Solution

The third proportional to 40,347 and 83,574 is: 173,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347 : 83,574 = 83,574 : x
  2. Step 2: Convert to fraction form
    40,347/83,574 = 83,574/x
  3. Step 3: Cross multiply
    40,347x = 83,574 × 83,574
  4. Step 4: Simplify right side
    40,347x = 6,984,613,476
  5. Step 5: Solve for x
    x = 6,984,613,476/40,347
  6. Step 6: Final answer
    x = 173,113.58

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.