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Finding the Third Proportional to 119,662,836 and 257,201,658

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Solution

The third proportional to 119,662,836 and 257,201,658 is: 552,825,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,662,836 : 257,201,658 = 257,201,658 : x
  2. Step 2: Convert to fraction form
    119,662,836/257,201,658 = 257,201,658/x
  3. Step 3: Cross multiply
    119,662,836x = 257,201,658 × 257,201,658
  4. Step 4: Simplify right side
    119,662,836x = 66,152,692,877,948,960
  5. Step 5: Solve for x
    x = 66,152,692,877,948,960/119,662,836
  6. Step 6: Final answer
    x = 552,825,715.06

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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.