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Finding the Third Proportional to 346,414.50 and 744,399

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Solution

The third proportional to 346,414.50 and 744,399 is: 1,599,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,414.50 : 744,399 = 744,399 : x
  2. Step 2: Convert to fraction form
    346,414.50/744,399 = 744,399/x
  3. Step 3: Cross multiply
    346,414.50x = 744,399 × 744,399
  4. Step 4: Simplify right side
    346,414.50x = 554,129,871,201
  5. Step 5: Solve for x
    x = 554,129,871,201/346,414.50
  6. Step 6: Final answer
    x = 1,599,615.12

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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.