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Finding the Third Proportional to 317,959,829 and 479,962,657

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Solution

The third proportional to 317,959,829 and 479,962,657 is: 724,507,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,959,829 : 479,962,657 = 479,962,657 : x
  2. Step 2: Convert to fraction form
    317,959,829/479,962,657 = 479,962,657/x
  3. Step 3: Cross multiply
    317,959,829x = 479,962,657 × 479,962,657
  4. Step 4: Simplify right side
    317,959,829x = 230,364,152,114,499,648
  5. Step 5: Solve for x
    x = 230,364,152,114,499,648/317,959,829
  6. Step 6: Final answer
    x = 724,507,095.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.