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Finding the Third Proportional to 430,035,290 and 664,063,826

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Solution

The third proportional to 430,035,290 and 664,063,826 is: 1,025,452,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,035,290 : 664,063,826 = 664,063,826 : x
  2. Step 2: Convert to fraction form
    430,035,290/664,063,826 = 664,063,826/x
  3. Step 3: Cross multiply
    430,035,290x = 664,063,826 × 664,063,826
  4. Step 4: Simplify right side
    430,035,290x = 440,980,765,001,758,272
  5. Step 5: Solve for x
    x = 440,980,765,001,758,272/430,035,290
  6. Step 6: Final answer
    x = 1,025,452,504.15

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.