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Finding the Third Proportional to 988,577 and 2,157,582

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Solution

The third proportional to 988,577 and 2,157,582 is: 4,708,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,577 : 2,157,582 = 2,157,582 : x
  2. Step 2: Convert to fraction form
    988,577/2,157,582 = 2,157,582/x
  3. Step 3: Cross multiply
    988,577x = 2,157,582 × 2,157,582
  4. Step 4: Simplify right side
    988,577x = 4,655,160,086,724
  5. Step 5: Solve for x
    x = 4,655,160,086,724/988,577
  6. Step 6: Final answer
    x = 4,708,950.43

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.