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Finding the Third Proportional to 5,186,686.50 and 8,333,613

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Solution

The third proportional to 5,186,686.50 and 8,333,613 is: 13,389,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,686.50 : 8,333,613 = 8,333,613 : x
  2. Step 2: Convert to fraction form
    5,186,686.50/8,333,613 = 8,333,613/x
  3. Step 3: Cross multiply
    5,186,686.50x = 8,333,613 × 8,333,613
  4. Step 4: Simplify right side
    5,186,686.50x = 69,449,105,633,769
  5. Step 5: Solve for x
    x = 69,449,105,633,769/5,186,686.50
  6. Step 6: Final answer
    x = 13,389,879.19

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.