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Finding the Third Proportional to 310,455 and 474,592.50

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Solution

The third proportional to 310,455 and 474,592.50 is: 725,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,455 : 474,592.50 = 474,592.50 : x
  2. Step 2: Convert to fraction form
    310,455/474,592.50 = 474,592.50/x
  3. Step 3: Cross multiply
    310,455x = 474,592.50 × 474,592.50
  4. Step 4: Simplify right side
    310,455x = 225,238,041,056.25
  5. Step 5: Solve for x
    x = 225,238,041,056.25/310,455
  6. Step 6: Final answer
    x = 725,509.47

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.