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Finding the Third Proportional to 154,828.81 and 340,104.60

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Solution

The third proportional to 154,828.81 and 340,104.60 is: 747,090.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,828.81 : 340,104.60 = 340,104.60 : x
  2. Step 2: Convert to fraction form
    154,828.81/340,104.60 = 340,104.60/x
  3. Step 3: Cross multiply
    154,828.81x = 340,104.60 × 340,104.60
  4. Step 4: Simplify right side
    154,828.81x = 115,671,141,332.52
  5. Step 5: Solve for x
    x = 115,671,141,332.52/154,828.81
  6. Step 6: Final answer
    x = 747,090.55

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.