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Finding the Third Proportional to 295,376.50 and 647,938.50

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Solution

The third proportional to 295,376.50 and 647,938.50 is: 1,421,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,376.50 : 647,938.50 = 647,938.50 : x
  2. Step 2: Convert to fraction form
    295,376.50/647,938.50 = 647,938.50/x
  3. Step 3: Cross multiply
    295,376.50x = 647,938.50 × 647,938.50
  4. Step 4: Simplify right side
    295,376.50x = 419,824,299,782.25
  5. Step 5: Solve for x
    x = 419,824,299,782.25/295,376.50
  6. Step 6: Final answer
    x = 1,421,319.23

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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.