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Finding the Third Proportional to 13,438,688 and 20,752,113

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Solution

The third proportional to 13,438,688 and 20,752,113 is: 32,045,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,688 : 20,752,113 = 20,752,113 : x
  2. Step 2: Convert to fraction form
    13,438,688/20,752,113 = 20,752,113/x
  3. Step 3: Cross multiply
    13,438,688x = 20,752,113 × 20,752,113
  4. Step 4: Simplify right side
    13,438,688x = 430,650,193,964,769
  5. Step 5: Solve for x
    x = 430,650,193,964,769/13,438,688
  6. Step 6: Final answer
    x = 32,045,553.40

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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.