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Finding the Third Proportional to 7,768,386 and 11,760,543

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Solution

The third proportional to 7,768,386 and 11,760,543 is: 17,804,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,386 : 11,760,543 = 11,760,543 : x
  2. Step 2: Convert to fraction form
    7,768,386/11,760,543 = 11,760,543/x
  3. Step 3: Cross multiply
    7,768,386x = 11,760,543 × 11,760,543
  4. Step 4: Simplify right side
    7,768,386x = 138,310,371,654,849
  5. Step 5: Solve for x
    x = 138,310,371,654,849/7,768,386
  6. Step 6: Final answer
    x = 17,804,260.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.