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Finding the Third Proportional to 84,930,156 and 185,756,715

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Solution

The third proportional to 84,930,156 and 185,756,715 is: 406,281,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,930,156 : 185,756,715 = 185,756,715 : x
  2. Step 2: Convert to fraction form
    84,930,156/185,756,715 = 185,756,715/x
  3. Step 3: Cross multiply
    84,930,156x = 185,756,715 × 185,756,715
  4. Step 4: Simplify right side
    84,930,156x = 34,505,557,167,591,224
  5. Step 5: Solve for x
    x = 34,505,557,167,591,224/84,930,156
  6. Step 6: Final answer
    x = 406,281,570.56

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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.