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Finding the Third Proportional to 18,577,824 and 28,146,672

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Solution

The third proportional to 18,577,824 and 28,146,672 is: 42,644,130.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577,824 : 28,146,672 = 28,146,672 : x
  2. Step 2: Convert to fraction form
    18,577,824/28,146,672 = 28,146,672/x
  3. Step 3: Cross multiply
    18,577,824x = 28,146,672 × 28,146,672
  4. Step 4: Simplify right side
    18,577,824x = 792,235,144,675,584
  5. Step 5: Solve for x
    x = 792,235,144,675,584/18,577,824
  6. Step 6: Final answer
    x = 42,644,130.16

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.