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Finding the Third Proportional to 191,637 and 403,132.50

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Solution

The third proportional to 191,637 and 403,132.50 is: 848,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,637 : 403,132.50 = 403,132.50 : x
  2. Step 2: Convert to fraction form
    191,637/403,132.50 = 403,132.50/x
  3. Step 3: Cross multiply
    191,637x = 403,132.50 × 403,132.50
  4. Step 4: Simplify right side
    191,637x = 162,515,812,556.25
  5. Step 5: Solve for x
    x = 162,515,812,556.25/191,637
  6. Step 6: Final answer
    x = 848,039.85

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.