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Finding the Third Proportional to 868,340 and 1,877,080

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Solution

The third proportional to 868,340 and 1,877,080 is: 4,057,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,340 : 1,877,080 = 1,877,080 : x
  2. Step 2: Convert to fraction form
    868,340/1,877,080 = 1,877,080/x
  3. Step 3: Cross multiply
    868,340x = 1,877,080 × 1,877,080
  4. Step 4: Simplify right side
    868,340x = 3,523,429,326,400
  5. Step 5: Solve for x
    x = 3,523,429,326,400/868,340
  6. Step 6: Final answer
    x = 4,057,660.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.