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Finding the Third Proportional to 93,403.50 and 128,441.25

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Solution

The third proportional to 93,403.50 and 128,441.25 is: 176,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,403.50 : 128,441.25 = 128,441.25 : x
  2. Step 2: Convert to fraction form
    93,403.50/128,441.25 = 128,441.25/x
  3. Step 3: Cross multiply
    93,403.50x = 128,441.25 × 128,441.25
  4. Step 4: Simplify right side
    93,403.50x = 16,497,154,701.56
  5. Step 5: Solve for x
    x = 16,497,154,701.56/93,403.50
  6. Step 6: Final answer
    x = 176,622.45

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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.