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Finding the Third Proportional to 1,187,113.50 and 1,839,312

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Solution

The third proportional to 1,187,113.50 and 1,839,312 is: 2,849,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,113.50 : 1,839,312 = 1,839,312 : x
  2. Step 2: Convert to fraction form
    1,187,113.50/1,839,312 = 1,839,312/x
  3. Step 3: Cross multiply
    1,187,113.50x = 1,839,312 × 1,839,312
  4. Step 4: Simplify right side
    1,187,113.50x = 3,383,068,633,344
  5. Step 5: Solve for x
    x = 3,383,068,633,344/1,187,113.50
  6. Step 6: Final answer
    x = 2,849,827.45

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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.