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Finding the Third Proportional to 74,322 and 106,460

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Solution

The third proportional to 74,322 and 106,460 is: 152,494.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322 : 106,460 = 106,460 : x
  2. Step 2: Convert to fraction form
    74,322/106,460 = 106,460/x
  3. Step 3: Cross multiply
    74,322x = 106,460 × 106,460
  4. Step 4: Simplify right side
    74,322x = 11,333,731,600
  5. Step 5: Solve for x
    x = 11,333,731,600/74,322
  6. Step 6: Final answer
    x = 152,494.98

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.