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Finding the Third Proportional to 990,950.63 and 2,111,693.63

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Solution

The third proportional to 990,950.63 and 2,111,693.63 is: 4,499,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,950.63 : 2,111,693.63 = 2,111,693.63 : x
  2. Step 2: Convert to fraction form
    990,950.63/2,111,693.63 = 2,111,693.63/x
  3. Step 3: Cross multiply
    990,950.63x = 2,111,693.63 × 2,111,693.63
  4. Step 4: Simplify right side
    990,950.63x = 4,459,249,965,865.64
  5. Step 5: Solve for x
    x = 4,459,249,965,865.64/990,950.63
  6. Step 6: Final answer
    x = 4,499,971.90

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.