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Finding the Third Proportional to 3,313,736,862 and 5,145,208,209

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Solution

The third proportional to 3,313,736,862 and 5,145,208,209 is: 7,988,916,626.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,736,862 : 5,145,208,209 = 5,145,208,209 : x
  2. Step 2: Convert to fraction form
    3,313,736,862/5,145,208,209 = 5,145,208,209/x
  3. Step 3: Cross multiply
    3,313,736,862x = 5,145,208,209 × 5,145,208,209
  4. Step 4: Simplify right side
    3,313,736,862x = 26,473,167,513,960,988,672
  5. Step 5: Solve for x
    x = 26,473,167,513,960,988,672/3,313,736,862
  6. Step 6: Final answer
    x = 7,988,916,626.89

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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.