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Finding the Third Proportional to 61,047 and 133,116.75

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Solution

The third proportional to 61,047 and 133,116.75 is: 290,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,047 : 133,116.75 = 133,116.75 : x
  2. Step 2: Convert to fraction form
    61,047/133,116.75 = 133,116.75/x
  3. Step 3: Cross multiply
    61,047x = 133,116.75 × 133,116.75
  4. Step 4: Simplify right side
    61,047x = 17,720,069,130.56
  5. Step 5: Solve for x
    x = 17,720,069,130.56/61,047
  6. Step 6: Final answer
    x = 290,269.29

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.