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Finding the Third Proportional to 872,492 and 1,885,071.75

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Solution

The third proportional to 872,492 and 1,885,071.75 is: 4,072,811.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,492 : 1,885,071.75 = 1,885,071.75 : x
  2. Step 2: Convert to fraction form
    872,492/1,885,071.75 = 1,885,071.75/x
  3. Step 3: Cross multiply
    872,492x = 1,885,071.75 × 1,885,071.75
  4. Step 4: Simplify right side
    872,492x = 3,553,495,502,648.06
  5. Step 5: Solve for x
    x = 3,553,495,502,648.06/872,492
  6. Step 6: Final answer
    x = 4,072,811.56

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.