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Finding the Third Proportional to 308,676,244.50 and 662,111,631

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Solution

The third proportional to 308,676,244.50 and 662,111,631 is: 1,420,231,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,676,244.50 : 662,111,631 = 662,111,631 : x
  2. Step 2: Convert to fraction form
    308,676,244.50/662,111,631 = 662,111,631/x
  3. Step 3: Cross multiply
    308,676,244.50x = 662,111,631 × 662,111,631
  4. Step 4: Simplify right side
    308,676,244.50x = 438,391,811,905,480,192
  5. Step 5: Solve for x
    x = 438,391,811,905,480,192/308,676,244.50
  6. Step 6: Final answer
    x = 1,420,231,779.14

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.