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Finding the Third Proportional to 87,247,455 and 189,035,364

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Solution

The third proportional to 87,247,455 and 189,035,364 is: 409,574,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247,455 : 189,035,364 = 189,035,364 : x
  2. Step 2: Convert to fraction form
    87,247,455/189,035,364 = 189,035,364/x
  3. Step 3: Cross multiply
    87,247,455x = 189,035,364 × 189,035,364
  4. Step 4: Simplify right side
    87,247,455x = 35,734,368,842,612,496
  5. Step 5: Solve for x
    x = 35,734,368,842,612,496/87,247,455
  6. Step 6: Final answer
    x = 409,574,913.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.