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Finding the Third Proportional to 546,152 and 847,980

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Solution

The third proportional to 546,152 and 847,980 is: 1,316,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,152 : 847,980 = 847,980 : x
  2. Step 2: Convert to fraction form
    546,152/847,980 = 847,980/x
  3. Step 3: Cross multiply
    546,152x = 847,980 × 847,980
  4. Step 4: Simplify right side
    546,152x = 719,070,080,400
  5. Step 5: Solve for x
    x = 719,070,080,400/546,152
  6. Step 6: Final answer
    x = 1,316,611.64

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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.