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Finding the Third Proportional to 64,740 and 97,704

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Solution

The third proportional to 64,740 and 97,704 is: 147,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,740 : 97,704 = 97,704 : x
  2. Step 2: Convert to fraction form
    64,740/97,704 = 97,704/x
  3. Step 3: Cross multiply
    64,740x = 97,704 × 97,704
  4. Step 4: Simplify right side
    64,740x = 9,546,071,616
  5. Step 5: Solve for x
    x = 9,546,071,616/64,740
  6. Step 6: Final answer
    x = 147,452.45

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.