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Finding the Third Proportional to 3,308,207,669 and 5,121,833,552

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Solution

The third proportional to 3,308,207,669 and 5,121,833,552 is: 7,929,725,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308,207,669 : 5,121,833,552 = 5,121,833,552 : x
  2. Step 2: Convert to fraction form
    3,308,207,669/5,121,833,552 = 5,121,833,552/x
  3. Step 3: Cross multiply
    3,308,207,669x = 5,121,833,552 × 5,121,833,552
  4. Step 4: Simplify right side
    3,308,207,669x = 26,233,178,934,392,938,496
  5. Step 5: Solve for x
    x = 26,233,178,934,392,938,496/3,308,207,669
  6. Step 6: Final answer
    x = 7,929,725,567.17

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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.