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Finding the Third Proportional to 190,117.13 and 404,443.13

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Solution

The third proportional to 190,117.13 and 404,443.13 is: 860,386.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,117.13 : 404,443.13 = 404,443.13 : x
  2. Step 2: Convert to fraction form
    190,117.13/404,443.13 = 404,443.13/x
  3. Step 3: Cross multiply
    190,117.13x = 404,443.13 × 404,443.13
  4. Step 4: Simplify right side
    190,117.13x = 163,574,241,359.77
  5. Step 5: Solve for x
    x = 163,574,241,359.77/190,117.13
  6. Step 6: Final answer
    x = 860,386.68

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.