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Finding the Third Proportional to 992,660 and 2,174,376

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Solution

The third proportional to 992,660 and 2,174,376 is: 4,762,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,660 : 2,174,376 = 2,174,376 : x
  2. Step 2: Convert to fraction form
    992,660/2,174,376 = 2,174,376/x
  3. Step 3: Cross multiply
    992,660x = 2,174,376 × 2,174,376
  4. Step 4: Simplify right side
    992,660x = 4,727,910,989,376
  5. Step 5: Solve for x
    x = 4,727,910,989,376/992,660
  6. Step 6: Final answer
    x = 4,762,870.46

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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.