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Finding the Third Proportional to 38,891,272 and 84,780,560

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Solution

The third proportional to 38,891,272 and 84,780,560 is: 184,816,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891,272 : 84,780,560 = 84,780,560 : x
  2. Step 2: Convert to fraction form
    38,891,272/84,780,560 = 84,780,560/x
  3. Step 3: Cross multiply
    38,891,272x = 84,780,560 × 84,780,560
  4. Step 4: Simplify right side
    38,891,272x = 7,187,743,353,913,600
  5. Step 5: Solve for x
    x = 7,187,743,353,913,600/38,891,272
  6. Step 6: Final answer
    x = 184,816,360.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.