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Finding the Third Proportional to 47,643.19 and 74,927.53

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Solution

The third proportional to 47,643.19 and 74,927.53 is: 117,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,643.19 : 74,927.53 = 74,927.53 : x
  2. Step 2: Convert to fraction form
    47,643.19/74,927.53 = 74,927.53/x
  3. Step 3: Cross multiply
    47,643.19x = 74,927.53 × 74,927.53
  4. Step 4: Simplify right side
    47,643.19x = 5,614,134,939.22
  5. Step 5: Solve for x
    x = 5,614,134,939.22/47,643.19
  6. Step 6: Final answer
    x = 117,837.10

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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.