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Finding the Third Proportional to 187,616,140.50 and 290,857,269

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Solution

The third proportional to 187,616,140.50 and 290,857,269 is: 450,909,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,616,140.50 : 290,857,269 = 290,857,269 : x
  2. Step 2: Convert to fraction form
    187,616,140.50/290,857,269 = 290,857,269/x
  3. Step 3: Cross multiply
    187,616,140.50x = 290,857,269 × 290,857,269
  4. Step 4: Simplify right side
    187,616,140.50x = 84,597,950,930,138,368
  5. Step 5: Solve for x
    x = 84,597,950,930,138,368/187,616,140.50
  6. Step 6: Final answer
    x = 450,909,770.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.