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Finding the Third Proportional to 79,666,366.50 and 171,439,641

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Solution

The third proportional to 79,666,366.50 and 171,439,641 is: 368,932,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,666,366.50 : 171,439,641 = 171,439,641 : x
  2. Step 2: Convert to fraction form
    79,666,366.50/171,439,641 = 171,439,641/x
  3. Step 3: Cross multiply
    79,666,366.50x = 171,439,641 × 171,439,641
  4. Step 4: Simplify right side
    79,666,366.50x = 29,391,550,506,208,880
  5. Step 5: Solve for x
    x = 29,391,550,506,208,880/79,666,366.50
  6. Step 6: Final answer
    x = 368,932,986.37

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.