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Finding the Third Proportional to 125,547 and 178,992

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Solution

The third proportional to 125,547 and 178,992 is: 255,188.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,547 : 178,992 = 178,992 : x
  2. Step 2: Convert to fraction form
    125,547/178,992 = 178,992/x
  3. Step 3: Cross multiply
    125,547x = 178,992 × 178,992
  4. Step 4: Simplify right side
    125,547x = 32,038,136,064
  5. Step 5: Solve for x
    x = 32,038,136,064/125,547
  6. Step 6: Final answer
    x = 255,188.38

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.