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Finding the Third Proportional to 302,392.50 and 649,612.50

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Solution

The third proportional to 302,392.50 and 649,612.50 is: 1,395,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,392.50 : 649,612.50 = 649,612.50 : x
  2. Step 2: Convert to fraction form
    302,392.50/649,612.50 = 649,612.50/x
  3. Step 3: Cross multiply
    302,392.50x = 649,612.50 × 649,612.50
  4. Step 4: Simplify right side
    302,392.50x = 421,996,400,156.25
  5. Step 5: Solve for x
    x = 421,996,400,156.25/302,392.50
  6. Step 6: Final answer
    x = 1,395,525.35

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.