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Finding the Third Proportional to 456,030 and 999,621

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Solution

The third proportional to 456,030 and 999,621 is: 2,191,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,030 : 999,621 = 999,621 : x
  2. Step 2: Convert to fraction form
    456,030/999,621 = 999,621/x
  3. Step 3: Cross multiply
    456,030x = 999,621 × 999,621
  4. Step 4: Simplify right side
    456,030x = 999,242,143,641
  5. Step 5: Solve for x
    x = 999,242,143,641/456,030
  6. Step 6: Final answer
    x = 2,191,176.33

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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.