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Finding the Third Proportional to 172,932.75 and 372,547.50

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Solution

The third proportional to 172,932.75 and 372,547.50 is: 802,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,932.75 : 372,547.50 = 372,547.50 : x
  2. Step 2: Convert to fraction form
    172,932.75/372,547.50 = 372,547.50/x
  3. Step 3: Cross multiply
    172,932.75x = 372,547.50 × 372,547.50
  4. Step 4: Simplify right side
    172,932.75x = 138,791,639,756.25
  5. Step 5: Solve for x
    x = 138,791,639,756.25/172,932.75
  6. Step 6: Final answer
    x = 802,575.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.