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Finding the Third Proportional to 29,356 and 63,388

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Solution

The third proportional to 29,356 and 63,388 is: 136,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356 : 63,388 = 63,388 : x
  2. Step 2: Convert to fraction form
    29,356/63,388 = 63,388/x
  3. Step 3: Cross multiply
    29,356x = 63,388 × 63,388
  4. Step 4: Simplify right side
    29,356x = 4,018,038,544
  5. Step 5: Solve for x
    x = 4,018,038,544/29,356
  6. Step 6: Final answer
    x = 136,872.82

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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.