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Finding the Third Proportional to 163,717.45 and 358,599.66

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Solution

The third proportional to 163,717.45 and 358,599.66 is: 785,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,717.45 : 358,599.66 = 358,599.66 : x
  2. Step 2: Convert to fraction form
    163,717.45/358,599.66 = 358,599.66/x
  3. Step 3: Cross multiply
    163,717.45x = 358,599.66 × 358,599.66
  4. Step 4: Simplify right side
    163,717.45x = 128,593,713,462.62
  5. Step 5: Solve for x
    x = 128,593,713,462.62/163,717.45
  6. Step 6: Final answer
    x = 785,461.24

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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.