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Finding the Third Proportional to 71,140 and 150,117

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Solution

The third proportional to 71,140 and 150,117 is: 316,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,140 : 150,117 = 150,117 : x
  2. Step 2: Convert to fraction form
    71,140/150,117 = 150,117/x
  3. Step 3: Cross multiply
    71,140x = 150,117 × 150,117
  4. Step 4: Simplify right side
    71,140x = 22,535,113,689
  5. Step 5: Solve for x
    x = 22,535,113,689/71,140
  6. Step 6: Final answer
    x = 316,771.35

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.