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Finding the Third Proportional to 410,362.50 and 613,903.50

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Solution

The third proportional to 410,362.50 and 613,903.50 is: 918,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,362.50 : 613,903.50 = 613,903.50 : x
  2. Step 2: Convert to fraction form
    410,362.50/613,903.50 = 613,903.50/x
  3. Step 3: Cross multiply
    410,362.50x = 613,903.50 × 613,903.50
  4. Step 4: Simplify right side
    410,362.50x = 376,877,507,312.25
  5. Step 5: Solve for x
    x = 376,877,507,312.25/410,362.50
  6. Step 6: Final answer
    x = 918,401.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.