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Finding the Third Proportional to 403,823.25 and 625,207.50

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Solution

The third proportional to 403,823.25 and 625,207.50 is: 967,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,823.25 : 625,207.50 = 625,207.50 : x
  2. Step 2: Convert to fraction form
    403,823.25/625,207.50 = 625,207.50/x
  3. Step 3: Cross multiply
    403,823.25x = 625,207.50 × 625,207.50
  4. Step 4: Simplify right side
    403,823.25x = 390,884,418,056.25
  5. Step 5: Solve for x
    x = 390,884,418,056.25/403,823.25
  6. Step 6: Final answer
    x = 967,959.17

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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.