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Finding the Third Proportional to 472,402 and 717,351

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Solution

The third proportional to 472,402 and 717,351 is: 1,089,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,402 : 717,351 = 717,351 : x
  2. Step 2: Convert to fraction form
    472,402/717,351 = 717,351/x
  3. Step 3: Cross multiply
    472,402x = 717,351 × 717,351
  4. Step 4: Simplify right side
    472,402x = 514,592,457,201
  5. Step 5: Solve for x
    x = 514,592,457,201/472,402
  6. Step 6: Final answer
    x = 1,089,310.50

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.