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Finding the Third Proportional to 509,664 and 712,848

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Solution

The third proportional to 509,664 and 712,848 is: 997,033.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,664 : 712,848 = 712,848 : x
  2. Step 2: Convert to fraction form
    509,664/712,848 = 712,848/x
  3. Step 3: Cross multiply
    509,664x = 712,848 × 712,848
  4. Step 4: Simplify right side
    509,664x = 508,152,271,104
  5. Step 5: Solve for x
    x = 508,152,271,104/509,664
  6. Step 6: Final answer
    x = 997,033.87

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.