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Finding the Third Proportional to 163,146 and 335,076

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Solution

The third proportional to 163,146 and 335,076 is: 688,192.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,146 : 335,076 = 335,076 : x
  2. Step 2: Convert to fraction form
    163,146/335,076 = 335,076/x
  3. Step 3: Cross multiply
    163,146x = 335,076 × 335,076
  4. Step 4: Simplify right side
    163,146x = 112,275,925,776
  5. Step 5: Solve for x
    x = 112,275,925,776/163,146
  6. Step 6: Final answer
    x = 688,192.94

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.