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Finding the Third Proportional to 87,455,376 and 191,385,504

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Solution

The third proportional to 87,455,376 and 191,385,504 is: 418,824,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,376 : 191,385,504 = 191,385,504 : x
  2. Step 2: Convert to fraction form
    87,455,376/191,385,504 = 191,385,504/x
  3. Step 3: Cross multiply
    87,455,376x = 191,385,504 × 191,385,504
  4. Step 4: Simplify right side
    87,455,376x = 36,628,411,141,334,016
  5. Step 5: Solve for x
    x = 36,628,411,141,334,016/87,455,376
  6. Step 6: Final answer
    x = 418,824,008.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.