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Finding the Third Proportional to 70,576,621 and 152,878,170

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Solution

The third proportional to 70,576,621 and 152,878,170 is: 331,154,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,576,621 : 152,878,170 = 152,878,170 : x
  2. Step 2: Convert to fraction form
    70,576,621/152,878,170 = 152,878,170/x
  3. Step 3: Cross multiply
    70,576,621x = 152,878,170 × 152,878,170
  4. Step 4: Simplify right side
    70,576,621x = 23,371,734,862,548,900
  5. Step 5: Solve for x
    x = 23,371,734,862,548,900/70,576,621
  6. Step 6: Final answer
    x = 331,154,063.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.