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Finding the Third Proportional to 170,328.66 and 358,300.13

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Solution

The third proportional to 170,328.66 and 358,300.13 is: 753,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,328.66 : 358,300.13 = 358,300.13 : x
  2. Step 2: Convert to fraction form
    170,328.66/358,300.13 = 358,300.13/x
  3. Step 3: Cross multiply
    170,328.66x = 358,300.13 × 358,300.13
  4. Step 4: Simplify right side
    170,328.66x = 128,378,979,575.02
  5. Step 5: Solve for x
    x = 128,378,979,575.02/170,328.66
  6. Step 6: Final answer
    x = 753,713.34

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.