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Finding the Third Proportional to 26,358 and 42,157

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Solution

The third proportional to 26,358 and 42,157 is: 67,425.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,358 : 42,157 = 42,157 : x
  2. Step 2: Convert to fraction form
    26,358/42,157 = 42,157/x
  3. Step 3: Cross multiply
    26,358x = 42,157 × 42,157
  4. Step 4: Simplify right side
    26,358x = 1,777,212,649
  5. Step 5: Solve for x
    x = 1,777,212,649/26,358
  6. Step 6: Final answer
    x = 67,425.93

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.