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Finding the Third Proportional to 133,985,739 and 290,230,440

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Solution

The third proportional to 133,985,739 and 290,230,440 is: 628,676,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,985,739 : 290,230,440 = 290,230,440 : x
  2. Step 2: Convert to fraction form
    133,985,739/290,230,440 = 290,230,440/x
  3. Step 3: Cross multiply
    133,985,739x = 290,230,440 × 290,230,440
  4. Step 4: Simplify right side
    133,985,739x = 84,233,708,302,593,600
  5. Step 5: Solve for x
    x = 84,233,708,302,593,600/133,985,739
  6. Step 6: Final answer
    x = 628,676,670.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.