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Finding the Third Proportional to 288,692,280 and 417,110,580

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Solution

The third proportional to 288,692,280 and 417,110,580 is: 602,652,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,692,280 : 417,110,580 = 417,110,580 : x
  2. Step 2: Convert to fraction form
    288,692,280/417,110,580 = 417,110,580/x
  3. Step 3: Cross multiply
    288,692,280x = 417,110,580 × 417,110,580
  4. Step 4: Simplify right side
    288,692,280x = 173,981,235,947,936,384
  5. Step 5: Solve for x
    x = 173,981,235,947,936,384/288,692,280
  6. Step 6: Final answer
    x = 602,652,886.83

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.