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Finding the Third Proportional to 65,418 and 97,869

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Solution

The third proportional to 65,418 and 97,869 is: 146,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418 : 97,869 = 97,869 : x
  2. Step 2: Convert to fraction form
    65,418/97,869 = 97,869/x
  3. Step 3: Cross multiply
    65,418x = 97,869 × 97,869
  4. Step 4: Simplify right side
    65,418x = 9,578,341,161
  5. Step 5: Solve for x
    x = 9,578,341,161/65,418
  6. Step 6: Final answer
    x = 146,417.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.