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Finding the Third Proportional to 8,738,345.81 and 13,107,526.31

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Solution

The third proportional to 8,738,345.81 and 13,107,526.31 is: 19,661,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738,345.81 : 13,107,526.31 = 13,107,526.31 : x
  2. Step 2: Convert to fraction form
    8,738,345.81/13,107,526.31 = 13,107,526.31/x
  3. Step 3: Cross multiply
    8,738,345.81x = 13,107,526.31 × 13,107,526.31
  4. Step 4: Simplify right side
    8,738,345.81x = 171,807,246,032,879.84
  5. Step 5: Solve for x
    x = 171,807,246,032,879.84/8,738,345.81
  6. Step 6: Final answer
    x = 19,661,300.86

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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.