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Finding the Third Proportional to 611,113 and 1,315,842

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Solution

The third proportional to 611,113 and 1,315,842 is: 2,833,256.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,113 : 1,315,842 = 1,315,842 : x
  2. Step 2: Convert to fraction form
    611,113/1,315,842 = 1,315,842/x
  3. Step 3: Cross multiply
    611,113x = 1,315,842 × 1,315,842
  4. Step 4: Simplify right side
    611,113x = 1,731,440,168,964
  5. Step 5: Solve for x
    x = 1,731,440,168,964/611,113
  6. Step 6: Final answer
    x = 2,833,256.97

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.