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Finding the Third Proportional to 3,975,814.13 and 8,655,538.50

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Solution

The third proportional to 3,975,814.13 and 8,655,538.50 is: 18,843,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,814.13 : 8,655,538.50 = 8,655,538.50 : x
  2. Step 2: Convert to fraction form
    3,975,814.13/8,655,538.50 = 8,655,538.50/x
  3. Step 3: Cross multiply
    3,975,814.13x = 8,655,538.50 × 8,655,538.50
  4. Step 4: Simplify right side
    3,975,814.13x = 74,918,346,724,982.25
  5. Step 5: Solve for x
    x = 74,918,346,724,982.25/3,975,814.13
  6. Step 6: Final answer
    x = 18,843,523.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.