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Finding the Third Proportional to 38,891,256 and 84,780,528

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Solution

The third proportional to 38,891,256 and 84,780,528 is: 184,816,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891,256 : 84,780,528 = 84,780,528 : x
  2. Step 2: Convert to fraction form
    38,891,256/84,780,528 = 84,780,528/x
  3. Step 3: Cross multiply
    38,891,256x = 84,780,528 × 84,780,528
  4. Step 4: Simplify right side
    38,891,256x = 7,187,737,927,958,784
  5. Step 5: Solve for x
    x = 7,187,737,927,958,784/38,891,256
  6. Step 6: Final answer
    x = 184,816,297.21

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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.