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Finding the Third Proportional to 876,348 and 1,386,489

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Solution

The third proportional to 876,348 and 1,386,489 is: 2,193,594.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,348 : 1,386,489 = 1,386,489 : x
  2. Step 2: Convert to fraction form
    876,348/1,386,489 = 1,386,489/x
  3. Step 3: Cross multiply
    876,348x = 1,386,489 × 1,386,489
  4. Step 4: Simplify right side
    876,348x = 1,922,351,747,121
  5. Step 5: Solve for x
    x = 1,922,351,747,121/876,348
  6. Step 6: Final answer
    x = 2,193,594.04

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.