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Finding the Third Proportional to 29,489,928 and 64,648,560

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Solution

The third proportional to 29,489,928 and 64,648,560 is: 141,724,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489,928 : 64,648,560 = 64,648,560 : x
  2. Step 2: Convert to fraction form
    29,489,928/64,648,560 = 64,648,560/x
  3. Step 3: Cross multiply
    29,489,928x = 64,648,560 × 64,648,560
  4. Step 4: Simplify right side
    29,489,928x = 4,179,436,310,073,600
  5. Step 5: Solve for x
    x = 4,179,436,310,073,600/29,489,928
  6. Step 6: Final answer
    x = 141,724,195.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.