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Finding the Third Proportional to 93,403 and 128,440.50

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Solution

The third proportional to 93,403 and 128,440.50 is: 176,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,403 : 128,440.50 = 128,440.50 : x
  2. Step 2: Convert to fraction form
    93,403/128,440.50 = 128,440.50/x
  3. Step 3: Cross multiply
    93,403x = 128,440.50 × 128,440.50
  4. Step 4: Simplify right side
    93,403x = 16,496,962,040.25
  5. Step 5: Solve for x
    x = 16,496,962,040.25/93,403
  6. Step 6: Final answer
    x = 176,621.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.