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Finding the Third Proportional to 20,121,366 and 43,645,428

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Solution

The third proportional to 20,121,366 and 43,645,428 is: 94,671,673.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,366 : 43,645,428 = 43,645,428 : x
  2. Step 2: Convert to fraction form
    20,121,366/43,645,428 = 43,645,428/x
  3. Step 3: Cross multiply
    20,121,366x = 43,645,428 × 43,645,428
  4. Step 4: Simplify right side
    20,121,366x = 1,904,923,385,303,184
  5. Step 5: Solve for x
    x = 1,904,923,385,303,184/20,121,366
  6. Step 6: Final answer
    x = 94,671,673.15

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.