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Finding the Third Proportional to 382,829 and 570,507

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Solution

The third proportional to 382,829 and 570,507 is: 850,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,829 : 570,507 = 570,507 : x
  2. Step 2: Convert to fraction form
    382,829/570,507 = 570,507/x
  3. Step 3: Cross multiply
    382,829x = 570,507 × 570,507
  4. Step 4: Simplify right side
    382,829x = 325,478,237,049
  5. Step 5: Solve for x
    x = 325,478,237,049/382,829
  6. Step 6: Final answer
    x = 850,192.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.