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Finding the Third Proportional to 29,260 and 64,072

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Solution

The third proportional to 29,260 and 64,072 is: 140,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,260 : 64,072 = 64,072 : x
  2. Step 2: Convert to fraction form
    29,260/64,072 = 64,072/x
  3. Step 3: Cross multiply
    29,260x = 64,072 × 64,072
  4. Step 4: Simplify right side
    29,260x = 4,105,221,184
  5. Step 5: Solve for x
    x = 4,105,221,184/29,260
  6. Step 6: Final answer
    x = 140,301.48

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.