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Finding the Third Proportional to 70,310,788 and 154,027,080

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Solution

The third proportional to 70,310,788 and 154,027,080 is: 337,421,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,310,788 : 154,027,080 = 154,027,080 : x
  2. Step 2: Convert to fraction form
    70,310,788/154,027,080 = 154,027,080/x
  3. Step 3: Cross multiply
    70,310,788x = 154,027,080 × 154,027,080
  4. Step 4: Simplify right side
    70,310,788x = 23,724,341,373,326,400
  5. Step 5: Solve for x
    x = 23,724,341,373,326,400/70,310,788
  6. Step 6: Final answer
    x = 337,421,070.77

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.