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Finding the Third Proportional to 7,712,889.13 and 11,285,416.25

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Solution

The third proportional to 7,712,889.13 and 11,285,416.25 is: 16,512,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712,889.13 : 11,285,416.25 = 11,285,416.25 : x
  2. Step 2: Convert to fraction form
    7,712,889.13/11,285,416.25 = 11,285,416.25/x
  3. Step 3: Cross multiply
    7,712,889.13x = 11,285,416.25 × 11,285,416.25
  4. Step 4: Simplify right side
    7,712,889.13x = 127,360,619,935,764.06
  5. Step 5: Solve for x
    x = 127,360,619,935,764.06/7,712,889.13
  6. Step 6: Final answer
    x = 16,512,699.44

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.