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Finding the Third Proportional to 66,250 and 156,289.50

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Solution

The third proportional to 66,250 and 156,289.50 is: 368,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,250 : 156,289.50 = 156,289.50 : x
  2. Step 2: Convert to fraction form
    66,250/156,289.50 = 156,289.50/x
  3. Step 3: Cross multiply
    66,250x = 156,289.50 × 156,289.50
  4. Step 4: Simplify right side
    66,250x = 24,426,407,810.25
  5. Step 5: Solve for x
    x = 24,426,407,810.25/66,250
  6. Step 6: Final answer
    x = 368,700.50

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.