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Finding the Third Proportional to 403,663.50 and 625,030.50

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Solution

The third proportional to 403,663.50 and 625,030.50 is: 967,794.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,663.50 : 625,030.50 = 625,030.50 : x
  2. Step 2: Convert to fraction form
    403,663.50/625,030.50 = 625,030.50/x
  3. Step 3: Cross multiply
    403,663.50x = 625,030.50 × 625,030.50
  4. Step 4: Simplify right side
    403,663.50x = 390,663,125,930.25
  5. Step 5: Solve for x
    x = 390,663,125,930.25/403,663.50
  6. Step 6: Final answer
    x = 967,794.03

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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.