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Finding the Third Proportional to 836,758,930 and 1,824,181,550

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Solution

The third proportional to 836,758,930 and 1,824,181,550 is: 3,976,818,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,758,930 : 1,824,181,550 = 1,824,181,550 : x
  2. Step 2: Convert to fraction form
    836,758,930/1,824,181,550 = 1,824,181,550/x
  3. Step 3: Cross multiply
    836,758,930x = 1,824,181,550 × 1,824,181,550
  4. Step 4: Simplify right side
    836,758,930x = 3,327,638,327,360,402,432
  5. Step 5: Solve for x
    x = 3,327,638,327,360,402,432/836,758,930
  6. Step 6: Final answer
    x = 3,976,818,421.72

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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.