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Finding the Third Proportional to 66,484.41 and 144,045.56

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Solution

The third proportional to 66,484.41 and 144,045.56 is: 312,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,484.41 : 144,045.56 = 144,045.56 : x
  2. Step 2: Convert to fraction form
    66,484.41/144,045.56 = 144,045.56/x
  3. Step 3: Cross multiply
    66,484.41x = 144,045.56 × 144,045.56
  4. Step 4: Simplify right side
    66,484.41x = 20,749,124,075.94
  5. Step 5: Solve for x
    x = 20,749,124,075.94/66,484.41
  6. Step 6: Final answer
    x = 312,090.09

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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.