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Finding the Third Proportional to 6,666,634 and 9,439,430

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Solution

The third proportional to 6,666,634 and 9,439,430 is: 13,365,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666,634 : 9,439,430 = 9,439,430 : x
  2. Step 2: Convert to fraction form
    6,666,634/9,439,430 = 9,439,430/x
  3. Step 3: Cross multiply
    6,666,634x = 9,439,430 × 9,439,430
  4. Step 4: Simplify right side
    6,666,634x = 89,102,838,724,900
  5. Step 5: Solve for x
    x = 89,102,838,724,900/6,666,634
  6. Step 6: Final answer
    x = 13,365,491.30

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.