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Finding the Third Proportional to 992,154 and 2,173,485

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Solution

The third proportional to 992,154 and 2,173,485 is: 4,761,394.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,154 : 2,173,485 = 2,173,485 : x
  2. Step 2: Convert to fraction form
    992,154/2,173,485 = 2,173,485/x
  3. Step 3: Cross multiply
    992,154x = 2,173,485 × 2,173,485
  4. Step 4: Simplify right side
    992,154x = 4,724,037,045,225
  5. Step 5: Solve for x
    x = 4,724,037,045,225/992,154
  6. Step 6: Final answer
    x = 4,761,394.95

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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.