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Finding the Third Proportional to 153,150.75 and 272,949.75

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Solution

The third proportional to 153,150.75 and 272,949.75 is: 486,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,150.75 : 272,949.75 = 272,949.75 : x
  2. Step 2: Convert to fraction form
    153,150.75/272,949.75 = 272,949.75/x
  3. Step 3: Cross multiply
    153,150.75x = 272,949.75 × 272,949.75
  4. Step 4: Simplify right side
    153,150.75x = 74,501,566,025.06
  5. Step 5: Solve for x
    x = 74,501,566,025.06/153,150.75
  6. Step 6: Final answer
    x = 486,459.03

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.