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Finding the Third Proportional to 443,518.50 and 694,948.50

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Solution

The third proportional to 443,518.50 and 694,948.50 is: 1,088,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,518.50 : 694,948.50 = 694,948.50 : x
  2. Step 2: Convert to fraction form
    443,518.50/694,948.50 = 694,948.50/x
  3. Step 3: Cross multiply
    443,518.50x = 694,948.50 × 694,948.50
  4. Step 4: Simplify right side
    443,518.50x = 482,953,417,652.25
  5. Step 5: Solve for x
    x = 482,953,417,652.25/443,518.50
  6. Step 6: Final answer
    x = 1,088,913.81

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.