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Finding the Third Proportional to 86,568,408 and 129,579,588

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Solution

The third proportional to 86,568,408 and 129,579,588 is: 193,960,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,568,408 : 129,579,588 = 129,579,588 : x
  2. Step 2: Convert to fraction form
    86,568,408/129,579,588 = 129,579,588/x
  3. Step 3: Cross multiply
    86,568,408x = 129,579,588 × 129,579,588
  4. Step 4: Simplify right side
    86,568,408x = 16,790,869,626,249,744
  5. Step 5: Solve for x
    x = 16,790,869,626,249,744/86,568,408
  6. Step 6: Final answer
    x = 193,960,707.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.