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Finding the Third Proportional to 29,488 and 64,106

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Solution

The third proportional to 29,488 and 64,106 is: 139,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488 : 64,106 = 64,106 : x
  2. Step 2: Convert to fraction form
    29,488/64,106 = 64,106/x
  3. Step 3: Cross multiply
    29,488x = 64,106 × 64,106
  4. Step 4: Simplify right side
    29,488x = 4,109,579,236
  5. Step 5: Solve for x
    x = 4,109,579,236/29,488
  6. Step 6: Final answer
    x = 139,364.46

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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.