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Finding the Third Proportional to 121,673 and 260,160.50

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Solution

The third proportional to 121,673 and 260,160.50 is: 556,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,673 : 260,160.50 = 260,160.50 : x
  2. Step 2: Convert to fraction form
    121,673/260,160.50 = 260,160.50/x
  3. Step 3: Cross multiply
    121,673x = 260,160.50 × 260,160.50
  4. Step 4: Simplify right side
    121,673x = 67,683,485,760.25
  5. Step 5: Solve for x
    x = 67,683,485,760.25/121,673
  6. Step 6: Final answer
    x = 556,273.67

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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.