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Finding the Third Proportional to 5,615,764 and 12,128,180

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Solution

The third proportional to 5,615,764 and 12,128,180 is: 26,192,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,764 : 12,128,180 = 12,128,180 : x
  2. Step 2: Convert to fraction form
    5,615,764/12,128,180 = 12,128,180/x
  3. Step 3: Cross multiply
    5,615,764x = 12,128,180 × 12,128,180
  4. Step 4: Simplify right side
    5,615,764x = 147,092,750,112,400
  5. Step 5: Solve for x
    x = 147,092,750,112,400/5,615,764
  6. Step 6: Final answer
    x = 26,192,829.70

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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.