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Finding the Third Proportional to 86,665,512 and 176,357,752

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Solution

The third proportional to 86,665,512 and 176,357,752 is: 358,874,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,665,512 : 176,357,752 = 176,357,752 : x
  2. Step 2: Convert to fraction form
    86,665,512/176,357,752 = 176,357,752/x
  3. Step 3: Cross multiply
    86,665,512x = 176,357,752 × 176,357,752
  4. Step 4: Simplify right side
    86,665,512x = 31,102,056,690,493,504
  5. Step 5: Solve for x
    x = 31,102,056,690,493,504/86,665,512
  6. Step 6: Final answer
    x = 358,874,666.21

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.