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Finding the Third Proportional to 88,146 and 128,526.75

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Solution

The third proportional to 88,146 and 128,526.75 is: 187,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,146 : 128,526.75 = 128,526.75 : x
  2. Step 2: Convert to fraction form
    88,146/128,526.75 = 128,526.75/x
  3. Step 3: Cross multiply
    88,146x = 128,526.75 × 128,526.75
  4. Step 4: Simplify right side
    88,146x = 16,519,125,465.56
  5. Step 5: Solve for x
    x = 16,519,125,465.56/88,146
  6. Step 6: Final answer
    x = 187,406.41

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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.