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Finding the Third Proportional to 59,482.69 and 128,765.81

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Solution

The third proportional to 59,482.69 and 128,765.81 is: 278,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,482.69 : 128,765.81 = 128,765.81 : x
  2. Step 2: Convert to fraction form
    59,482.69/128,765.81 = 128,765.81/x
  3. Step 3: Cross multiply
    59,482.69x = 128,765.81 × 128,765.81
  4. Step 4: Simplify right side
    59,482.69x = 16,580,634,468.79
  5. Step 5: Solve for x
    x = 16,580,634,468.79/59,482.69
  6. Step 6: Final answer
    x = 278,747.23

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.