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Finding the Third Proportional to 18,238,392 and 28,461,780

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Solution

The third proportional to 18,238,392 and 28,461,780 is: 44,415,808.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,238,392 : 28,461,780 = 28,461,780 : x
  2. Step 2: Convert to fraction form
    18,238,392/28,461,780 = 28,461,780/x
  3. Step 3: Cross multiply
    18,238,392x = 28,461,780 × 28,461,780
  4. Step 4: Simplify right side
    18,238,392x = 810,072,920,768,400
  5. Step 5: Solve for x
    x = 810,072,920,768,400/18,238,392
  6. Step 6: Final answer
    x = 44,415,808.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.