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Finding the Third Proportional to 30,646 and 63,260

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Solution

The third proportional to 30,646 and 63,260 is: 130,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,646 : 63,260 = 63,260 : x
  2. Step 2: Convert to fraction form
    30,646/63,260 = 63,260/x
  3. Step 3: Cross multiply
    30,646x = 63,260 × 63,260
  4. Step 4: Simplify right side
    30,646x = 4,001,827,600
  5. Step 5: Solve for x
    x = 4,001,827,600/30,646
  6. Step 6: Final answer
    x = 130,582.38

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.