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Finding the Third Proportional to 66,111.19 and 97,777.13

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Solution

The third proportional to 66,111.19 and 97,777.13 is: 144,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,111.19 : 97,777.13 = 97,777.13 : x
  2. Step 2: Convert to fraction form
    66,111.19/97,777.13 = 97,777.13/x
  3. Step 3: Cross multiply
    66,111.19x = 97,777.13 × 97,777.13
  4. Step 4: Simplify right side
    66,111.19x = 9,560,366,173.27
  5. Step 5: Solve for x
    x = 9,560,366,173.27/66,111.19
  6. Step 6: Final answer
    x = 144,610.41

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.