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Finding the Third Proportional to 302,800.50 and 470,191.50

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Solution

The third proportional to 302,800.50 and 470,191.50 is: 730,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,800.50 : 470,191.50 = 470,191.50 : x
  2. Step 2: Convert to fraction form
    302,800.50/470,191.50 = 470,191.50/x
  3. Step 3: Cross multiply
    302,800.50x = 470,191.50 × 470,191.50
  4. Step 4: Simplify right side
    302,800.50x = 221,080,046,672.25
  5. Step 5: Solve for x
    x = 221,080,046,672.25/302,800.50
  6. Step 6: Final answer
    x = 730,117.84

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.