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Finding the Third Proportional to 303,989,840 and 616,438,551

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Solution

The third proportional to 303,989,840 and 616,438,551 is: 1,250,030,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,989,840 : 616,438,551 = 616,438,551 : x
  2. Step 2: Convert to fraction form
    303,989,840/616,438,551 = 616,438,551/x
  3. Step 3: Cross multiply
    303,989,840x = 616,438,551 × 616,438,551
  4. Step 4: Simplify right side
    303,989,840x = 379,996,487,158,979,584
  5. Step 5: Solve for x
    x = 379,996,487,158,979,584/303,989,840
  6. Step 6: Final answer
    x = 1,250,030,221.93

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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.