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Finding the Third Proportional to 161,574,716 and 255,888,900

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Solution

The third proportional to 161,574,716 and 255,888,900 is: 405,256,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574,716 : 255,888,900 = 255,888,900 : x
  2. Step 2: Convert to fraction form
    161,574,716/255,888,900 = 255,888,900/x
  3. Step 3: Cross multiply
    161,574,716x = 255,888,900 × 255,888,900
  4. Step 4: Simplify right side
    161,574,716x = 65,479,129,143,210,000
  5. Step 5: Solve for x
    x = 65,479,129,143,210,000/161,574,716
  6. Step 6: Final answer
    x = 405,256,037.36

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.