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Finding the Third Proportional to 421,900,443 and 925,487,802

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Solution

The third proportional to 421,900,443 and 925,487,802 is: 2,030,165,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,900,443 : 925,487,802 = 925,487,802 : x
  2. Step 2: Convert to fraction form
    421,900,443/925,487,802 = 925,487,802/x
  3. Step 3: Cross multiply
    421,900,443x = 925,487,802 × 925,487,802
  4. Step 4: Simplify right side
    421,900,443x = 856,527,671,650,791,168
  5. Step 5: Solve for x
    x = 856,527,671,650,791,168/421,900,443
  6. Step 6: Final answer
    x = 2,030,165,376.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.