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Finding the Third Proportional to 887,420 and 1,942,776

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Solution

The third proportional to 887,420 and 1,942,776 is: 4,253,204.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,420 : 1,942,776 = 1,942,776 : x
  2. Step 2: Convert to fraction form
    887,420/1,942,776 = 1,942,776/x
  3. Step 3: Cross multiply
    887,420x = 1,942,776 × 1,942,776
  4. Step 4: Simplify right side
    887,420x = 3,774,378,586,176
  5. Step 5: Solve for x
    x = 3,774,378,586,176/887,420
  6. Step 6: Final answer
    x = 4,253,204.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.