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Finding the Third Proportional to 245,730 and 330,214.50

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Solution

The third proportional to 245,730 and 330,214.50 is: 443,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,730 : 330,214.50 = 330,214.50 : x
  2. Step 2: Convert to fraction form
    245,730/330,214.50 = 330,214.50/x
  3. Step 3: Cross multiply
    245,730x = 330,214.50 × 330,214.50
  4. Step 4: Simplify right side
    245,730x = 109,041,616,010.25
  5. Step 5: Solve for x
    x = 109,041,616,010.25/245,730
  6. Step 6: Final answer
    x = 443,745.64

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.