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Finding the Third Proportional to 66,708.56 and 144,483.75

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Solution

The third proportional to 66,708.56 and 144,483.75 is: 312,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.56 : 144,483.75 = 144,483.75 : x
  2. Step 2: Convert to fraction form
    66,708.56/144,483.75 = 144,483.75/x
  3. Step 3: Cross multiply
    66,708.56x = 144,483.75 × 144,483.75
  4. Step 4: Simplify right side
    66,708.56x = 20,875,554,014.06
  5. Step 5: Solve for x
    x = 20,875,554,014.06/66,708.56
  6. Step 6: Final answer
    x = 312,936.65

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.