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Finding the Third Proportional to 162,757.50 and 356,547

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Solution

The third proportional to 162,757.50 and 356,547 is: 781,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,757.50 : 356,547 = 356,547 : x
  2. Step 2: Convert to fraction form
    162,757.50/356,547 = 356,547/x
  3. Step 3: Cross multiply
    162,757.50x = 356,547 × 356,547
  4. Step 4: Simplify right side
    162,757.50x = 127,125,763,209
  5. Step 5: Solve for x
    x = 127,125,763,209/162,757.50
  6. Step 6: Final answer
    x = 781,074.69

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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.