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Finding the Third Proportional to 8,666,761.50 and 20,495,929.50

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Solution

The third proportional to 8,666,761.50 and 20,495,929.50 is: 48,470,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666,761.50 : 20,495,929.50 = 20,495,929.50 : x
  2. Step 2: Convert to fraction form
    8,666,761.50/20,495,929.50 = 20,495,929.50/x
  3. Step 3: Cross multiply
    8,666,761.50x = 20,495,929.50 × 20,495,929.50
  4. Step 4: Simplify right side
    8,666,761.50x = 420,083,126,068,970.25
  5. Step 5: Solve for x
    x = 420,083,126,068,970.25/8,666,761.50
  6. Step 6: Final answer
    x = 48,470,599.55

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.