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Finding the Third Proportional to 631,315.25 and 947,701.75

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Solution

The third proportional to 631,315.25 and 947,701.75 is: 1,422,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,315.25 : 947,701.75 = 947,701.75 : x
  2. Step 2: Convert to fraction form
    631,315.25/947,701.75 = 947,701.75/x
  3. Step 3: Cross multiply
    631,315.25x = 947,701.75 × 947,701.75
  4. Step 4: Simplify right side
    631,315.25x = 898,138,606,953.06
  5. Step 5: Solve for x
    x = 898,138,606,953.06/631,315.25
  6. Step 6: Final answer
    x = 1,422,646.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.