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Finding the Third Proportional to 70,441,621 and 153,388,710

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Solution

The third proportional to 70,441,621 and 153,388,710 is: 334,008,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,441,621 : 153,388,710 = 153,388,710 : x
  2. Step 2: Convert to fraction form
    70,441,621/153,388,710 = 153,388,710/x
  3. Step 3: Cross multiply
    70,441,621x = 153,388,710 × 153,388,710
  4. Step 4: Simplify right side
    70,441,621x = 23,528,096,355,464,100
  5. Step 5: Solve for x
    x = 23,528,096,355,464,100/70,441,621
  6. Step 6: Final answer
    x = 334,008,445.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.