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Finding the Third Proportional to 63,420 and 97,864

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Solution

The third proportional to 63,420 and 97,864 is: 151,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420 : 97,864 = 97,864 : x
  2. Step 2: Convert to fraction form
    63,420/97,864 = 97,864/x
  3. Step 3: Cross multiply
    63,420x = 97,864 × 97,864
  4. Step 4: Simplify right side
    63,420x = 9,577,362,496
  5. Step 5: Solve for x
    x = 9,577,362,496/63,420
  6. Step 6: Final answer
    x = 151,014.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.