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Finding the Third Proportional to 29,148 and 63,486

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Solution

The third proportional to 29,148 and 63,486 is: 138,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148 : 63,486 = 63,486 : x
  2. Step 2: Convert to fraction form
    29,148/63,486 = 63,486/x
  3. Step 3: Cross multiply
    29,148x = 63,486 × 63,486
  4. Step 4: Simplify right side
    29,148x = 4,030,472,196
  5. Step 5: Solve for x
    x = 4,030,472,196/29,148
  6. Step 6: Final answer
    x = 138,276.11

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.