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Finding the Third Proportional to 824,699 and 1,276,954

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Solution

The third proportional to 824,699 and 1,276,954 is: 1,977,220.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,699 : 1,276,954 = 1,276,954 : x
  2. Step 2: Convert to fraction form
    824,699/1,276,954 = 1,276,954/x
  3. Step 3: Cross multiply
    824,699x = 1,276,954 × 1,276,954
  4. Step 4: Simplify right side
    824,699x = 1,630,611,518,116
  5. Step 5: Solve for x
    x = 1,630,611,518,116/824,699
  6. Step 6: Final answer
    x = 1,977,220.20

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.