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Finding the Third Proportional to 187,203 and 403,929.75

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Solution

The third proportional to 187,203 and 403,929.75 is: 871,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,203 : 403,929.75 = 403,929.75 : x
  2. Step 2: Convert to fraction form
    187,203/403,929.75 = 403,929.75/x
  3. Step 3: Cross multiply
    187,203x = 403,929.75 × 403,929.75
  4. Step 4: Simplify right side
    187,203x = 163,159,242,935.06
  5. Step 5: Solve for x
    x = 163,159,242,935.06/187,203
  6. Step 6: Final answer
    x = 871,563.19

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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.