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Finding the Third Proportional to 19,310,940 and 40,209,240

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Solution

The third proportional to 19,310,940 and 40,209,240 is: 83,723,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310,940 : 40,209,240 = 40,209,240 : x
  2. Step 2: Convert to fraction form
    19,310,940/40,209,240 = 40,209,240/x
  3. Step 3: Cross multiply
    19,310,940x = 40,209,240 × 40,209,240
  4. Step 4: Simplify right side
    19,310,940x = 1,616,782,981,377,600
  5. Step 5: Solve for x
    x = 1,616,782,981,377,600/19,310,940
  6. Step 6: Final answer
    x = 83,723,681.05

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.