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Finding the Third Proportional to 976,359 and 2,126,220

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Solution

The third proportional to 976,359 and 2,126,220 is: 4,630,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,359 : 2,126,220 = 2,126,220 : x
  2. Step 2: Convert to fraction form
    976,359/2,126,220 = 2,126,220/x
  3. Step 3: Cross multiply
    976,359x = 2,126,220 × 2,126,220
  4. Step 4: Simplify right side
    976,359x = 4,520,811,488,400
  5. Step 5: Solve for x
    x = 4,520,811,488,400/976,359
  6. Step 6: Final answer
    x = 4,630,275.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.