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Finding the Third Proportional to 61,712,030 and 132,711,520

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Solution

The third proportional to 61,712,030 and 132,711,520 is: 285,395,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,712,030 : 132,711,520 = 132,711,520 : x
  2. Step 2: Convert to fraction form
    61,712,030/132,711,520 = 132,711,520/x
  3. Step 3: Cross multiply
    61,712,030x = 132,711,520 × 132,711,520
  4. Step 4: Simplify right side
    61,712,030x = 17,612,347,540,710,400
  5. Step 5: Solve for x
    x = 17,612,347,540,710,400/61,712,030
  6. Step 6: Final answer
    x = 285,395,692.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.