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Finding the Third Proportional to 16,119,490 and 35,405,707

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Solution

The third proportional to 16,119,490 and 35,405,707 is: 77,766,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,119,490 : 35,405,707 = 35,405,707 : x
  2. Step 2: Convert to fraction form
    16,119,490/35,405,707 = 35,405,707/x
  3. Step 3: Cross multiply
    16,119,490x = 35,405,707 × 35,405,707
  4. Step 4: Simplify right side
    16,119,490x = 1,253,564,088,169,849
  5. Step 5: Solve for x
    x = 1,253,564,088,169,849/16,119,490
  6. Step 6: Final answer
    x = 77,766,981.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.