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Finding the Third Proportional to 125,017,136 and 259,615,840

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Solution

The third proportional to 125,017,136 and 259,615,840 is: 539,129,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,017,136 : 259,615,840 = 259,615,840 : x
  2. Step 2: Convert to fraction form
    125,017,136/259,615,840 = 259,615,840/x
  3. Step 3: Cross multiply
    125,017,136x = 259,615,840 × 259,615,840
  4. Step 4: Simplify right side
    125,017,136x = 67,400,384,378,905,600
  5. Step 5: Solve for x
    x = 67,400,384,378,905,600/125,017,136
  6. Step 6: Final answer
    x = 539,129,166.89

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.