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Finding the Third Proportional to 3,708,398.81 and 7,701,016.50

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Solution

The third proportional to 3,708,398.81 and 7,701,016.50 is: 15,992,253.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708,398.81 : 7,701,016.50 = 7,701,016.50 : x
  2. Step 2: Convert to fraction form
    3,708,398.81/7,701,016.50 = 7,701,016.50/x
  3. Step 3: Cross multiply
    3,708,398.81x = 7,701,016.50 × 7,701,016.50
  4. Step 4: Simplify right side
    3,708,398.81x = 59,305,655,133,272.25
  5. Step 5: Solve for x
    x = 59,305,655,133,272.25/3,708,398.81
  6. Step 6: Final answer
    x = 15,992,253.84

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.