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Finding the Third Proportional to 48,605.63 and 79,368.75

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Solution

The third proportional to 48,605.63 and 79,368.75 is: 129,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.63 : 79,368.75 = 79,368.75 : x
  2. Step 2: Convert to fraction form
    48,605.63/79,368.75 = 79,368.75/x
  3. Step 3: Cross multiply
    48,605.63x = 79,368.75 × 79,368.75
  4. Step 4: Simplify right side
    48,605.63x = 6,299,398,476.56
  5. Step 5: Solve for x
    x = 6,299,398,476.56/48,605.63
  6. Step 6: Final answer
    x = 129,602.25

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.