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Finding the Third Proportional to 990,722 and 1,574,477

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Solution

The third proportional to 990,722 and 1,574,477 is: 2,502,193.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,722 : 1,574,477 = 1,574,477 : x
  2. Step 2: Convert to fraction form
    990,722/1,574,477 = 1,574,477/x
  3. Step 3: Cross multiply
    990,722x = 1,574,477 × 1,574,477
  4. Step 4: Simplify right side
    990,722x = 2,478,977,823,529
  5. Step 5: Solve for x
    x = 2,478,977,823,529/990,722
  6. Step 6: Final answer
    x = 2,502,193.17

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.