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Finding the Third Proportional to 480,738 and 747,328

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Solution

The third proportional to 480,738 and 747,328 is: 1,161,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,738 : 747,328 = 747,328 : x
  2. Step 2: Convert to fraction form
    480,738/747,328 = 747,328/x
  3. Step 3: Cross multiply
    480,738x = 747,328 × 747,328
  4. Step 4: Simplify right side
    480,738x = 558,499,139,584
  5. Step 5: Solve for x
    x = 558,499,139,584/480,738
  6. Step 6: Final answer
    x = 1,161,753.68

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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.