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Finding the Third Proportional to 316,472.25 and 693,025.13

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Solution

The third proportional to 316,472.25 and 693,025.13 is: 1,517,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,472.25 : 693,025.13 = 693,025.13 : x
  2. Step 2: Convert to fraction form
    316,472.25/693,025.13 = 693,025.13/x
  3. Step 3: Cross multiply
    316,472.25x = 693,025.13 × 693,025.13
  4. Step 4: Simplify right side
    316,472.25x = 480,283,823,881.27
  5. Step 5: Solve for x
    x = 480,283,823,881.27/316,472.25
  6. Step 6: Final answer
    x = 1,517,617.50

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.