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Finding the Third Proportional to 931,230 and 2,045,348

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Solution

The third proportional to 931,230 and 2,045,348 is: 4,492,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,230 : 2,045,348 = 2,045,348 : x
  2. Step 2: Convert to fraction form
    931,230/2,045,348 = 2,045,348/x
  3. Step 3: Cross multiply
    931,230x = 2,045,348 × 2,045,348
  4. Step 4: Simplify right side
    931,230x = 4,183,448,441,104
  5. Step 5: Solve for x
    x = 4,183,448,441,104/931,230
  6. Step 6: Final answer
    x = 4,492,390.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.