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Finding the Third Proportional to 903,432 and 1,321,156.50

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Solution

The third proportional to 903,432 and 1,321,156.50 is: 1,932,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,432 : 1,321,156.50 = 1,321,156.50 : x
  2. Step 2: Convert to fraction form
    903,432/1,321,156.50 = 1,321,156.50/x
  3. Step 3: Cross multiply
    903,432x = 1,321,156.50 × 1,321,156.50
  4. Step 4: Simplify right side
    903,432x = 1,745,454,497,492.25
  5. Step 5: Solve for x
    x = 1,745,454,497,492.25/903,432
  6. Step 6: Final answer
    x = 1,932,026.43

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.