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Finding the Third Proportional to 8,835,571.13 and 12,962,485.69

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Solution

The third proportional to 8,835,571.13 and 12,962,485.69 is: 19,016,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835,571.13 : 12,962,485.69 = 12,962,485.69 : x
  2. Step 2: Convert to fraction form
    8,835,571.13/12,962,485.69 = 12,962,485.69/x
  3. Step 3: Cross multiply
    8,835,571.13x = 12,962,485.69 × 12,962,485.69
  4. Step 4: Simplify right side
    8,835,571.13x = 168,026,035,198,642.34
  5. Step 5: Solve for x
    x = 168,026,035,198,642.34/8,835,571.13
  6. Step 6: Final answer
    x = 19,016,997.64

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.