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Finding the Third Proportional to 18,169,472.75 and 27,927,781

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Solution

The third proportional to 18,169,472.75 and 27,927,781 is: 42,926,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169,472.75 : 27,927,781 = 27,927,781 : x
  2. Step 2: Convert to fraction form
    18,169,472.75/27,927,781 = 27,927,781/x
  3. Step 3: Cross multiply
    18,169,472.75x = 27,927,781 × 27,927,781
  4. Step 4: Simplify right side
    18,169,472.75x = 779,960,951,583,961
  5. Step 5: Solve for x
    x = 779,960,951,583,961/18,169,472.75
  6. Step 6: Final answer
    x = 42,926,999.72

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.