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Finding the Third Proportional to 4,130,688 and 8,947,608

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Solution

The third proportional to 4,130,688 and 8,947,608 is: 19,381,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,688 : 8,947,608 = 8,947,608 : x
  2. Step 2: Convert to fraction form
    4,130,688/8,947,608 = 8,947,608/x
  3. Step 3: Cross multiply
    4,130,688x = 8,947,608 × 8,947,608
  4. Step 4: Simplify right side
    4,130,688x = 80,059,688,921,664
  5. Step 5: Solve for x
    x = 80,059,688,921,664/4,130,688
  6. Step 6: Final answer
    x = 19,381,683.86

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.