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Finding the Third Proportional to 88,629.61 and 129,135.94

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Solution

The third proportional to 88,629.61 and 129,135.94 is: 188,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.61 : 129,135.94 = 129,135.94 : x
  2. Step 2: Convert to fraction form
    88,629.61/129,135.94 = 129,135.94/x
  3. Step 3: Cross multiply
    88,629.61x = 129,135.94 × 129,135.94
  4. Step 4: Simplify right side
    88,629.61x = 16,676,090,354.00
  5. Step 5: Solve for x
    x = 16,676,090,354.00/88,629.61
  6. Step 6: Final answer
    x = 188,154.84

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.