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Finding the Third Proportional to 28,955.81 and 63,447.47

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Solution

The third proportional to 28,955.81 and 63,447.47 is: 139,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.81 : 63,447.47 = 63,447.47 : x
  2. Step 2: Convert to fraction form
    28,955.81/63,447.47 = 63,447.47/x
  3. Step 3: Cross multiply
    28,955.81x = 63,447.47 × 63,447.47
  4. Step 4: Simplify right side
    28,955.81x = 4,025,581,290.78
  5. Step 5: Solve for x
    x = 4,025,581,290.78/28,955.81
  6. Step 6: Final answer
    x = 139,024.98

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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.