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Finding the Third Proportional to 3,258,047.81 and 4,284,330.47

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Solution

The third proportional to 3,258,047.81 and 4,284,330.47 is: 5,633,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,047.81 : 4,284,330.47 = 4,284,330.47 : x
  2. Step 2: Convert to fraction form
    3,258,047.81/4,284,330.47 = 4,284,330.47/x
  3. Step 3: Cross multiply
    3,258,047.81x = 4,284,330.47 × 4,284,330.47
  4. Step 4: Simplify right side
    3,258,047.81x = 18,355,487,565,459.59
  5. Step 5: Solve for x
    x = 18,355,487,565,459.59/3,258,047.81
  6. Step 6: Final answer
    x = 5,633,891.40

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.