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Finding the Third Proportional to 74,210,628 and 161,595,744

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Solution

The third proportional to 74,210,628 and 161,595,744 is: 351,879,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,210,628 : 161,595,744 = 161,595,744 : x
  2. Step 2: Convert to fraction form
    74,210,628/161,595,744 = 161,595,744/x
  3. Step 3: Cross multiply
    74,210,628x = 161,595,744 × 161,595,744
  4. Step 4: Simplify right side
    74,210,628x = 26,113,184,478,913,536
  5. Step 5: Solve for x
    x = 26,113,184,478,913,536/74,210,628
  6. Step 6: Final answer
    x = 351,879,308.70

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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.