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Finding the Third Proportional to 35,346 and 74,820

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Solution

The third proportional to 35,346 and 74,820 is: 158,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346 : 74,820 = 74,820 : x
  2. Step 2: Convert to fraction form
    35,346/74,820 = 74,820/x
  3. Step 3: Cross multiply
    35,346x = 74,820 × 74,820
  4. Step 4: Simplify right side
    35,346x = 5,598,032,400
  5. Step 5: Solve for x
    x = 5,598,032,400/35,346
  6. Step 6: Final answer
    x = 158,378.10

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.