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Finding the Third Proportional to 885,402 and 1,877,207

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Solution

The third proportional to 885,402 and 1,877,207 is: 3,980,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,402 : 1,877,207 = 1,877,207 : x
  2. Step 2: Convert to fraction form
    885,402/1,877,207 = 1,877,207/x
  3. Step 3: Cross multiply
    885,402x = 1,877,207 × 1,877,207
  4. Step 4: Simplify right side
    885,402x = 3,523,906,120,849
  5. Step 5: Solve for x
    x = 3,523,906,120,849/885,402
  6. Step 6: Final answer
    x = 3,980,006.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.