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Finding the Third Proportional to 84,415.50 and 130,669.88

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Solution

The third proportional to 84,415.50 and 130,669.88 is: 202,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,415.50 : 130,669.88 = 130,669.88 : x
  2. Step 2: Convert to fraction form
    84,415.50/130,669.88 = 130,669.88/x
  3. Step 3: Cross multiply
    84,415.50x = 130,669.88 × 130,669.88
  4. Step 4: Simplify right side
    84,415.50x = 17,074,616,232.52
  5. Step 5: Solve for x
    x = 17,074,616,232.52/84,415.50
  6. Step 6: Final answer
    x = 202,268.73

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.