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Finding the Third Proportional to 4,130,605 and 8,947,495

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Solution

The third proportional to 4,130,605 and 8,947,495 is: 19,381,583.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,605 : 8,947,495 = 8,947,495 : x
  2. Step 2: Convert to fraction form
    4,130,605/8,947,495 = 8,947,495/x
  3. Step 3: Cross multiply
    4,130,605x = 8,947,495 × 8,947,495
  4. Step 4: Simplify right side
    4,130,605x = 80,057,666,775,025
  5. Step 5: Solve for x
    x = 80,057,666,775,025/4,130,605
  6. Step 6: Final answer
    x = 19,381,583.76

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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.