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Finding the Third Proportional to 119,499,558 and 257,159,487

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Solution

The third proportional to 119,499,558 and 257,159,487 is: 553,399,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,499,558 : 257,159,487 = 257,159,487 : x
  2. Step 2: Convert to fraction form
    119,499,558/257,159,487 = 257,159,487/x
  3. Step 3: Cross multiply
    119,499,558x = 257,159,487 × 257,159,487
  4. Step 4: Simplify right side
    119,499,558x = 66,131,001,754,103,168
  5. Step 5: Solve for x
    x = 66,131,001,754,103,168/119,499,558
  6. Step 6: Final answer
    x = 553,399,551.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.