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Finding the Third Proportional to 4,262,288 and 9,129,160

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Solution

The third proportional to 4,262,288 and 9,129,160 is: 19,553,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,262,288 : 9,129,160 = 9,129,160 : x
  2. Step 2: Convert to fraction form
    4,262,288/9,129,160 = 9,129,160/x
  3. Step 3: Cross multiply
    4,262,288x = 9,129,160 × 9,129,160
  4. Step 4: Simplify right side
    4,262,288x = 83,341,562,305,600
  5. Step 5: Solve for x
    x = 83,341,562,305,600/4,262,288
  6. Step 6: Final answer
    x = 19,553,245.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.