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Finding the Third Proportional to 286,690,227 and 442,709,267.50

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Solution

The third proportional to 286,690,227 and 442,709,267.50 is: 683,635,077.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,690,227 : 442,709,267.50 = 442,709,267.50 : x
  2. Step 2: Convert to fraction form
    286,690,227/442,709,267.50 = 442,709,267.50/x
  3. Step 3: Cross multiply
    286,690,227x = 442,709,267.50 × 442,709,267.50
  4. Step 4: Simplify right side
    286,690,227x = 195,991,495,530,386,560
  5. Step 5: Solve for x
    x = 195,991,495,530,386,560/286,690,227
  6. Step 6: Final answer
    x = 683,635,077.42

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.