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Finding the Third Proportional to 292,212.75 and 634,249.50

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Solution

The third proportional to 292,212.75 and 634,249.50 is: 1,376,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,212.75 : 634,249.50 = 634,249.50 : x
  2. Step 2: Convert to fraction form
    292,212.75/634,249.50 = 634,249.50/x
  3. Step 3: Cross multiply
    292,212.75x = 634,249.50 × 634,249.50
  4. Step 4: Simplify right side
    292,212.75x = 402,272,428,250.25
  5. Step 5: Solve for x
    x = 402,272,428,250.25/292,212.75
  6. Step 6: Final answer
    x = 1,376,642.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.