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Finding the Third Proportional to 620,224 and 983,712

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Solution

The third proportional to 620,224 and 983,712 is: 1,560,225.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,224 : 983,712 = 983,712 : x
  2. Step 2: Convert to fraction form
    620,224/983,712 = 983,712/x
  3. Step 3: Cross multiply
    620,224x = 983,712 × 983,712
  4. Step 4: Simplify right side
    620,224x = 967,689,298,944
  5. Step 5: Solve for x
    x = 967,689,298,944/620,224
  6. Step 6: Final answer
    x = 1,560,225.50

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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.