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Finding the Third Proportional to 288,483.75 and 626,719.50

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Solution

The third proportional to 288,483.75 and 626,719.50 is: 1,361,523.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,483.75 : 626,719.50 = 626,719.50 : x
  2. Step 2: Convert to fraction form
    288,483.75/626,719.50 = 626,719.50/x
  3. Step 3: Cross multiply
    288,483.75x = 626,719.50 × 626,719.50
  4. Step 4: Simplify right side
    288,483.75x = 392,777,331,680.25
  5. Step 5: Solve for x
    x = 392,777,331,680.25/288,483.75
  6. Step 6: Final answer
    x = 1,361,523.25

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.