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Finding the Third Proportional to 128,600.16 and 173,475.42

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Solution

The third proportional to 128,600.16 and 173,475.42 is: 234,010.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,600.16 : 173,475.42 = 173,475.42 : x
  2. Step 2: Convert to fraction form
    128,600.16/173,475.42 = 173,475.42/x
  3. Step 3: Cross multiply
    128,600.16x = 173,475.42 × 173,475.42
  4. Step 4: Simplify right side
    128,600.16x = 30,093,721,994.71
  5. Step 5: Solve for x
    x = 30,093,721,994.71/128,600.16
  6. Step 6: Final answer
    x = 234,010.00

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.