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Finding the Third Proportional to 295,438.50 and 644,332.50

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Solution

The third proportional to 295,438.50 and 644,332.50 is: 1,405,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,438.50 : 644,332.50 = 644,332.50 : x
  2. Step 2: Convert to fraction form
    295,438.50/644,332.50 = 644,332.50/x
  3. Step 3: Cross multiply
    295,438.50x = 644,332.50 × 644,332.50
  4. Step 4: Simplify right side
    295,438.50x = 415,164,370,556.25
  5. Step 5: Solve for x
    x = 415,164,370,556.25/295,438.50
  6. Step 6: Final answer
    x = 1,405,248.03

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.