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Finding the Third Proportional to 213,299,989 and 318,552,247

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Solution

The third proportional to 213,299,989 and 318,552,247 is: 475,740,925.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,299,989 : 318,552,247 = 318,552,247 : x
  2. Step 2: Convert to fraction form
    213,299,989/318,552,247 = 318,552,247/x
  3. Step 3: Cross multiply
    213,299,989x = 318,552,247 × 318,552,247
  4. Step 4: Simplify right side
    213,299,989x = 101,475,534,068,749,008
  5. Step 5: Solve for x
    x = 101,475,534,068,749,008/213,299,989
  6. Step 6: Final answer
    x = 475,740,925.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.