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Finding the Third Proportional to 134,636,580 and 290,530,800

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Solution

The third proportional to 134,636,580 and 290,530,800 is: 626,933,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,636,580 : 290,530,800 = 290,530,800 : x
  2. Step 2: Convert to fraction form
    134,636,580/290,530,800 = 290,530,800/x
  3. Step 3: Cross multiply
    134,636,580x = 290,530,800 × 290,530,800
  4. Step 4: Simplify right side
    134,636,580x = 84,408,145,748,640,000
  5. Step 5: Solve for x
    x = 84,408,145,748,640,000/134,636,580
  6. Step 6: Final answer
    x = 626,933,228.31

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.