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Finding the Third Proportional to 45,449,871 and 70,519,521

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Solution

The third proportional to 45,449,871 and 70,519,521 is: 109,417,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449,871 : 70,519,521 = 70,519,521 : x
  2. Step 2: Convert to fraction form
    45,449,871/70,519,521 = 70,519,521/x
  3. Step 3: Cross multiply
    45,449,871x = 70,519,521 × 70,519,521
  4. Step 4: Simplify right side
    45,449,871x = 4,973,002,842,069,441
  5. Step 5: Solve for x
    x = 4,973,002,842,069,441/45,449,871
  6. Step 6: Final answer
    x = 109,417,314.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.