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Finding the Third Proportional to 885,403 and 1,877,209

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Solution

The third proportional to 885,403 and 1,877,209 is: 3,980,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,403 : 1,877,209 = 1,877,209 : x
  2. Step 2: Convert to fraction form
    885,403/1,877,209 = 1,877,209/x
  3. Step 3: Cross multiply
    885,403x = 1,877,209 × 1,877,209
  4. Step 4: Simplify right side
    885,403x = 3,523,913,629,681
  5. Step 5: Solve for x
    x = 3,523,913,629,681/885,403
  6. Step 6: Final answer
    x = 3,980,010.94

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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.