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Finding the Third Proportional to 145,619.25 and 311,483.25

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Solution

The third proportional to 145,619.25 and 311,483.25 is: 666,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,619.25 : 311,483.25 = 311,483.25 : x
  2. Step 2: Convert to fraction form
    145,619.25/311,483.25 = 311,483.25/x
  3. Step 3: Cross multiply
    145,619.25x = 311,483.25 × 311,483.25
  4. Step 4: Simplify right side
    145,619.25x = 97,021,815,030.56
  5. Step 5: Solve for x
    x = 97,021,815,030.56/145,619.25
  6. Step 6: Final answer
    x = 666,270.53

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.