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Finding the Third Proportional to 18,696,848 and 28,720,649

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Solution

The third proportional to 18,696,848 and 28,720,649 is: 44,118,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,848 : 28,720,649 = 28,720,649 : x
  2. Step 2: Convert to fraction form
    18,696,848/28,720,649 = 28,720,649/x
  3. Step 3: Cross multiply
    18,696,848x = 28,720,649 × 28,720,649
  4. Step 4: Simplify right side
    18,696,848x = 824,875,678,981,201
  5. Step 5: Solve for x
    x = 824,875,678,981,201/18,696,848
  6. Step 6: Final answer
    x = 44,118,435.31

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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.