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Finding the Third Proportional to 29,411 and 63,430

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Solution

The third proportional to 29,411 and 63,430 is: 136,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,411 : 63,430 = 63,430 : x
  2. Step 2: Convert to fraction form
    29,411/63,430 = 63,430/x
  3. Step 3: Cross multiply
    29,411x = 63,430 × 63,430
  4. Step 4: Simplify right side
    29,411x = 4,023,364,900
  5. Step 5: Solve for x
    x = 4,023,364,900/29,411
  6. Step 6: Final answer
    x = 136,797.96

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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.