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Finding the Third Proportional to 35,120 and 48,776

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Solution

The third proportional to 35,120 and 48,776 is: 67,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120 : 48,776 = 48,776 : x
  2. Step 2: Convert to fraction form
    35,120/48,776 = 48,776/x
  3. Step 3: Cross multiply
    35,120x = 48,776 × 48,776
  4. Step 4: Simplify right side
    35,120x = 2,379,098,176
  5. Step 5: Solve for x
    x = 2,379,098,176/35,120
  6. Step 6: Final answer
    x = 67,741.98

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.