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Finding the Third Proportional to 357,068.25 and 553,233.38

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Solution

The third proportional to 357,068.25 and 553,233.38 is: 857,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,068.25 : 553,233.38 = 553,233.38 : x
  2. Step 2: Convert to fraction form
    357,068.25/553,233.38 = 553,233.38/x
  3. Step 3: Cross multiply
    357,068.25x = 553,233.38 × 553,233.38
  4. Step 4: Simplify right side
    357,068.25x = 306,067,167,213.89
  5. Step 5: Solve for x
    x = 306,067,167,213.89/357,068.25
  6. Step 6: Final answer
    x = 857,167.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.