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Finding the Third Proportional to 272,536.50 and 636,577.50

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Solution

The third proportional to 272,536.50 and 636,577.50 is: 1,486,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,536.50 : 636,577.50 = 636,577.50 : x
  2. Step 2: Convert to fraction form
    272,536.50/636,577.50 = 636,577.50/x
  3. Step 3: Cross multiply
    272,536.50x = 636,577.50 × 636,577.50
  4. Step 4: Simplify right side
    272,536.50x = 405,230,913,506.25
  5. Step 5: Solve for x
    x = 405,230,913,506.25/272,536.50
  6. Step 6: Final answer
    x = 1,486,886.76

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.