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Finding the Third Proportional to 53,423,754 and 79,821,139

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Solution

The third proportional to 53,423,754 and 79,821,139 is: 119,261,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423,754 : 79,821,139 = 79,821,139 : x
  2. Step 2: Convert to fraction form
    53,423,754/79,821,139 = 79,821,139/x
  3. Step 3: Cross multiply
    53,423,754x = 79,821,139 × 79,821,139
  4. Step 4: Simplify right side
    53,423,754x = 6,371,414,231,257,321
  5. Step 5: Solve for x
    x = 6,371,414,231,257,321/53,423,754
  6. Step 6: Final answer
    x = 119,261,821.83

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.