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Finding the Third Proportional to 207,877.50 and 313,688.25

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Solution

The third proportional to 207,877.50 and 313,688.25 is: 473,357.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,877.50 : 313,688.25 = 313,688.25 : x
  2. Step 2: Convert to fraction form
    207,877.50/313,688.25 = 313,688.25/x
  3. Step 3: Cross multiply
    207,877.50x = 313,688.25 × 313,688.25
  4. Step 4: Simplify right side
    207,877.50x = 98,400,318,188.06
  5. Step 5: Solve for x
    x = 98,400,318,188.06/207,877.50
  6. Step 6: Final answer
    x = 473,357.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.