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Finding the Third Proportional to 163,117.13 and 359,343

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Solution

The third proportional to 163,117.13 and 359,343 is: 791,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,117.13 : 359,343 = 359,343 : x
  2. Step 2: Convert to fraction form
    163,117.13/359,343 = 359,343/x
  3. Step 3: Cross multiply
    163,117.13x = 359,343 × 359,343
  4. Step 4: Simplify right side
    163,117.13x = 129,127,391,649
  5. Step 5: Solve for x
    x = 129,127,391,649/163,117.13
  6. Step 6: Final answer
    x = 791,623.76

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.