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Finding the Third Proportional to 7,719,687 and 11,354,967

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Solution

The third proportional to 7,719,687 and 11,354,967 is: 16,702,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719,687 : 11,354,967 = 11,354,967 : x
  2. Step 2: Convert to fraction form
    7,719,687/11,354,967 = 11,354,967/x
  3. Step 3: Cross multiply
    7,719,687x = 11,354,967 × 11,354,967
  4. Step 4: Simplify right side
    7,719,687x = 128,935,275,571,089
  5. Step 5: Solve for x
    x = 128,935,275,571,089/7,719,687
  6. Step 6: Final answer
    x = 16,702,137.74

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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.